You can refer to NCERT Solutions for Class 9 Science Chapter 10 Gravitation to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. (23) How much would a 70 Kg man weight on the moon? (12) Suppose gravity of earth suddenly becomes zero, then in which direction will the moon begin to move if no other celestial body affects it? Question From class 11 Chapter HEAT TRANSFER In heat transfer, which method is based on gravitation ? (21) The weight of a body is 50 N. What is its mass? B: N/m-Kg Calculate (i) the maximum height to which it rises. Q.17 Does the gravitational force same for two objects inside and outside the water? CBSE Class 9 Physics Worksheet - Gravitation - Practice worksheets for CBSE students.Prepared by teachers of the best CBSE schools in India. Therefore I encourage you to practice these mcqs set like a quiz. State the 6.67x 10 11 c. 1 N d. 9.8m/s 2. Q.29 What is the value of gravitational acceleration inside the earth? The acceleration produced by the gravitational force of earth does not depend on the mass of the object. Now, he puts the iron ball and the feather in a long jar from which air is completely evacuated. C: gravitational force due to earth Q.20 Does escape velocity of a body depend on its mass? Gravitation may be the attraction of objects by the earth. Gravitation Class 11 MCQs Questions with Answers Question 1. He hands over the same when he meets him at the equator. (34) The gravitational force between two objects is F. How will this force change when distance between them is reduced to half? Q.15 How much time a polar satellite take to complete one revolution around earth? D: be zero, Q.24 If a stone bring back to earth from moon then its, A: mass will be changed This is because the action and reaction forces are equal. (Acceleration due to gravity on moon \(1.63m. Is the mass of the body on the moon also one-sixth of its mass on the moon? A: It depends on the mass of the body {\sec ^{ - 2}}\), Therefore, \(v = 19.6m/s\) [negative sign is retained because of sign convention], (27) Give the difference between mass and weight. The mass of moon is about 0.012 times that of the earth and its diameter is … or Newton. On the other hand, spring balance measure the weight of a body. or,  \({\left( v \right)^2} - 0 = 2 \times 9.8 \times 19.6\), or,  \({v^2} = {\left( {19.6} \right)^2}\), (33) There are two kind of balance i.e. How much will the acceleration of a 3 Kg mass be at the same place? The moon will move in the direction of the tangent to the moon's orbit. The body B is heavier than A. \(F \propto \frac{1}{{{r^2}}}\). Explain with an example. D: 63000 km above the earth surface. The force required for a body to move in a circular path is called centripetal force. If both the balance give the same measure of a given body on the surface of the earth, will they give the same measure on the suface of the moon? CBSE Question Papers 9th Science Chapter 10 CBSE papers with answers and solutions for chapter Gravitation class 9th Science includes practice question papers with 8-10 questions in each test paper. (9) The earth and the moon are attracted to each other by gravitational force. (22) A stone and a feather are thrown from a tower. C: 11.2 km/sec D: 2 * 1028 kg. Check below the important MCQs on CBSE Class 9 Science Gravitation: 1. C: 26000 km above the earth surface 3. B: angular velocity remain constant (ii) the total time it takes to return to the surface of the earth? B: decrease (32) A stone is released from the top of a tower of height 19.6 m. Calculate its final velocity just before touching the ground. According to Newton's law of gravitation, the apple and the earth experience equal and opposite forces due to gravitation. GRAVITATION MULTIPLE CHOICE QUESTIONS 1. (i) It is defined as acceleration due to gravity, (i) It is defined as universal gravitational constant, (iii) It change from place to place at pole of ‘g’ is more than at equator. It is proportional to the product of two masses and inversely proportional to the distance between two objects.. Also you can read about this topic from the given link where I have made a detail explanation about it. Let us learn more about this. C: Velocity of a body that allow it to go outside the earth B: decreases as height increase from the earth. D: less than rest object. B: At equator The relation between mass and weight of a body is. (4) A coin and a feather are dropped from the roof of a building. D: 8.9 m/s2, Q.5> The value of gravitational acceleration is –, A: increases as height increase form the earth. Take \(g = 10m. (16) Define universal gravitational constant. C: N-m/Kg2 (51) Gravitational force acts on all objects in proportion to their masses. Calculate (i) the velocity with which the ball was thrown up (ii) the maximum height attained by the ball and (iii) the distance of the ball below the highest point after 2 sec. B: Zero Not found any post match with your request, Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy, Reflection at Spherical Mirror (গোলীয় দর্পণে আলোর প্রতিফলন), West Bengal B. Sc Nursing Entrance Examination: JENPARH, Work, Power & Energy Class: IX Standard (CBSE & WBBSE Board), Tips And Tricks to Solve The Mechanics Problems Using Free Body Diagram: Part: II, Total Question Set of LIGHT under WBBSE Madhyamik, Easy Way To Remember and Structured The Chemical Formula: VII-X Standard, NEET-JEE Essential Theory: Units and Measurement, (1) The quantity of matter contained in a body is called the mass of the body, (1) The force with the earth attracts a body towards its centre is called the weight of the body, (2) Mass of a body remains constant everywhere. A: 3 * 1024 kg Here is a solved numerical example on Gravitation: Question: An object of mass 50kg is raised to a hight of 10m above the ground. etc. B: Infinite Q.28 An artificial satellite revolving around earth in a circular orbit. (17) State Kepler's third law of planetary motion. Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? The earth attracts the moon with a force equal to the force with which the moon attracts the earth. C: Tropic of Cancer or Tropic of Capricorn (38) Calculate the acceleration due to gravity on the surface of the moon (mass of the moon \(7.4 \times {10^{22}}Kg\)  and radius of the moon is \(1.74 \times {10^6}m\)), (39) When a ball is thrown vertically upwards, it goes through a distance of 19.6 m. Find the initial velocity of the ball and the time taken by it to rise to the highest point. (40) The acceleration of a freely falling body does not depend on the mass of the body. (42) A ball thrown up is caught back by the thrower after 6 sec. C: Product of its mass and gravitational acceleration (63) A stone is thrown vertically upward with an initial velocity of 40 m/s. What will happen to the gravitational force between two bodies if the masses of one body is doubled? (10) Newton's law of gravitation is also called inverse square law. Here we have covered Important Questions on Gravitation for Class 9 Science subject. {\sec ^{ - 2}}\)). D: mass remain constant but weight will be changed. What is the centripetal force that makes moon revolve around earth? A force of 5 N produced an acceleration of \(8m. Now lets test the following mcqs from gravitation. (37) An object weighs 294 N on the earth. C: greater than rest object Do you attract the ea... Syllabus: (1) Reflection of light at spherical surface. B: Weight of a body will decreases Q.3> What is the unit of Universal Gravitational Constant in SI unit? Find out the ratio of time they would take in reaching the ground. Here, mass of the moon on man, \(m = 70Kg\), Acceleration due to gravity on the moon \(1.63m. Explain. What will be observed when he inverts the jar upside down? (56) What is the importance of universal law of gravitation? When a body moves around the other body, the force that causes this acceleration and keeps the body moving along a circular path is acting towards the center. Q.7> In which region of earth the weight of a body is slightly greater? B: Coulomb attractive force (3) Consider two bodies A and B. Why is it so called? {\sec ^{ - 2}}\) on a mass \({m_2}\). Gravitation is a fundamental attractive force between any two objects in the universe. Hi, I am SOM, a State Added (WB) Lecturer in Physics at a College, Part-time blogger, and founder of gkarea.com, started blogging since 2015 and still learning. What would be his mass on the earth and on the moon? D: 12 km/sec. A: 9.8 m-s2 Do you attract the earth as well? (58) What do we call the gravitational force between the earth and an object? 2. () What would be its mass on the moon? Show this by deriving an expression for the same. But in case you hit the ball with greater velocity, the ball will escape out of the gravitational field. D: N/m2-Kg. This is because the gravity of the moon is  \(\frac{1}{6}th\) of that of the earth. Find (i) the velocity with which it was thrown up. B: 4* 1024 kg Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? GRAVITATION 1. NCERT exemplar solutions for Class 9 science gravitation is an essential study material for the students who wish to score well in Class 9 examination. {{\sec }^{ - 2}}}}\). A body of mass 1kg is attracted by the earth with a force which is equal to a. The law of gravitation states that it depends on the masses of the objects and the distance between them. D: Can not be calculated, Q.30 In case of free fall the gravitational acceleration on a spherical object depends on__, A: The mass of the object Using the formula  \(S = ut + \frac{1}{2}a{t^2}\), here we can write, or,  \({t_1} = \sqrt {\frac{{2{h_1}}}{g}} \), or, \({t_2} = \sqrt {\frac{{2{h_2}}}{g}} \), or,  \(\frac{{{t_1}}}{{{t_2}}} = \sqrt {\frac{{{h_1}}}{{{h_2}}}} \). unit of G and its value, S.I. unit of acceleration due to gravity. B: gravitational force due to sun What is the weight in newtons of a 10 kg object on the moon and on the earth? (2)Geometry of Spherical Mirror. Here we have covered Important Questions on Gravitation for Class 11 Physics subject. These multiple choice questions are very important for upcoming exams for  general science like SSC, CGL, CHSL, MTS, Railway Group-D, Group-C, IAS, UPSC Air force and Navy. D: 6 * 1024 kg. These MCQ's are extremely critical for all CBSE students to score better marks. Q.13 Does time period of artificial satellite depend on its mass? Example: Tie a stone to a thread and whirl it round as shown in the figure. Out of these energy is most important concept, since all living thing... আলোর প্রতিসরণ (Refraction of Light): S yllabus:  Laws of refraction: The laws of refraction should be illustrated with the help of c... Free Body Diagram on Pulley An ideal pulley have three characteristics: (i) Mass-less  (ii) Smooth/Friction-less   (iii)Circular. (25) What is the centripetal force? (31) What is the force of gravity acting on a point mass of 1 kg released from a height of 1 m from the surface of earth? (11) A boy drops an iron ball and a feather from the top of a tower. Define : gravitation, gravity and gravitational force. C: remains constant Its, A: linear velocity is constant D: Tangential velocity of equator. CBSE Class 9 Science Physics Chapter 10 Gravitation Exercise Questions with Solutions to help you to … Multiple Choice Questions (MCQ) for Gravitation - CBSE Class 11-science Physics on Topperlearning. That is why this law is also called inverse square law. (66) A ball thrown up vertically returns to the thrower after 6 sec. (3) Reflection in Spherical Mirror. (30) Give the difference between 'g' and 'G'? (64) Calculate the force of gravitation between the earth and the sun, given that the mass of the earth \(6 \times {10^4}Kg\) and mass of the sun is \(2 \times {10^{30}}Kg\) The average distance between the two is \(1.5 \times {10^{11}}m\). C: The density of the object What would be the escape velocity of a planet whose mass and radius is double from earth? (\(g = 9.8m. Question 6. The average distance between the two is \(1.5 \times {10^{11}}m\). D: 9.8 N, A: mass of the object × gravitational acceleration (mass of the earth \(6 \times {10^{24}}Kg\) and radius of the earth \(6.4 \times {10^6}m\)  ). Science Class 9 Important Questions are very helpful to score high marks in board exams. D: None of the above. B: 10 km/sec D: None of this. Weight of the body \(W = mg\). The 1 m This document is highly rated … Hope you enjoy it. A: 36000 km above the earth surface Calculate (i) the maximum height to which it rises (ii) the total time it takes to return to the surface of the earth? The S.I. C: 5* 1024 kg A: velocity remain constant in its orbit. Q.2> What is the value of Universal Gravitational Constant (G) in C.G.S unit? B: 9.8 kg As per the motion of object due to 'g' gravitational pull of earth, both the bodies are acted upon by the same force of earth but the stone will fall first and then the feather. Unit of G is:  \(N.{m^2}K{g^{ - 2}}\), Its value is \(6.67 \times {10^{ - 11}}N{m^2}k{g^{ - 2}}\). We have Provided Gravitation Class 9 Science MCQs Questions with Answers to help students understand the concept very well. (5) What do you mean by the weight of a body on the moon? (11) A boy drops an iron ball and a feather from the top of a tower. Then there is the more philosophical question of why the laws hold, what is the mechanism which leads to the observed gravitational effects. Why? If yes, in which direction? Q.16 What is the weight of a body inside an artificial satellite of earth? C: Zero A: 6.67 * 10-6 cgs unit Q.12 What is the value of escape velocity of earth? D: None of the above, Increases as height increase from the earth. By his dynamical and gravitational theories, he explained Kepler’s laws and established the modern quantitative science of gravitation. Q.22 If the radius of earth is decrease keeping mass constant, then the length of day will, A: decrease A: Velocity of moon Q.6> Where the value of gravitational acceleration is less due to the diurnal motion of earth? A: 9.8 m-s2 Geocentric model i.e. (Acceleration due to gravity \(9.8m. B: 40000 km above the earth surface In our day-to-day life, we talk about the term work, power and energy. A: Weight of a body will increases (8) Why is the weight of an object on the moon \(\frac{1}{6}th\) of that of the earth. The force which keeps the body to move in circular motion when accelerated is (a) Centripetal force (b) Magnetic force (c) Electrostatic force (d) Force of gravitation Answer. Which will fall to the ground first. {\sec ^{ - 2}}\)), we have,  \(mass(m) = \frac{{weight(W)}}{{gravity}}\), or, \(W = \frac{{50N}}{{9.8m. A: Gravitational force Q.10 What is the approximate mass of earth? Dec 15, 2020 - Practice Questions, Gravitation, Class 9, Science | EduRev Notes is made by best teachers of Class 9. Which will fall with a greater acceleration? Taking \(g = 10m. (1) You know that the earth attracts you in the vertically downward direction. In order that a body of 5 kg weighs zero at … Q.4> What is the value of gravitational acceleration on Earth? The universal gravitational constant is the force of attraction between two point masses of 1 Kg each kept at a distance of 1 metre. It means, weight of a body depends upon the value of 'g'. Beam balance measure the mass of a body. D: Can not be answered. Will the friend agree with the weight of gold bought? This force is called centripetal force. Home \ [MCQ]> Gravitation – Questions Answers. Whenever an object falls towards the earth under the gravitational pull of the earth alone, the fall is called free-fall. (47) What do you mean by acceleration due to gravity? Velocity of a body that allow it to go outside the earth. So, the acceleration produce in the 3 Kg mass will be the same as that produced in the 1 Kg mass. In the evacuated jar, both iron ball and the feather will fall together at the same time. (60) Gravitational force on the surface of the moon is only \(\frac{1}{6}th\) as strong as gravitational force on the earth. D: radius of orbit remain constant. (24) Calculate the force of gravitation between the earth and the sun, given that the mass of the earth \(6 \times {10^{24}}Kg\) and of the sun \(2 \times {10^{30}}Kg\). What is the total distance covered by the stone? C: Weight never be changed C: 2 hour 20 min Mass remain same but weight will be changed. A: 2 * 1034 kg Gravitation is a fundamental attractive force between any two objects in the universe. He finds that the iron ball reaches the ground much earlier than the feather. D: Thrust produced by burning fuel. On releasing the thread the the center binding force called as centripetal force is no more acting on it, the stone flies off along the straight line. A: 1 hour 30 min. 9.8N b. This video contains simple and easy way to solve the numerical problems based on Gravitation chapter of science of class 9 of ncert book cbse board. (a) Gravitational Force (b) Electrostatic Force (c) Magnetic Force (d) None 2. Gravitation | NCERT Class 9 Chapter 11 Notes, Explanation, Question and Answers Gravitation CBSE Class 9 Science Chapter 11 - Complete explanation and Notes of the chapter 'Gravitation'. C: 9.8 Kg-m/Sec2 There are around 3-5 If not, Why? Multiple Choice Questions on Gravitation - Understanding in Details Gravitation is a fundamental force acting between two bodies in space. (61) A ball is thrown vertically upward with a velocity of 49 m/s. B: Velocity of earth Why then, a heavy object does not fall faster than a light object? The stone continuous to move round as long as the string is held. (5) Weight is measure in Kg-wt. unit of acceleration due to gravity  is \(m.{\sec ^{ - 2}}\). What acceleration would the same force provide if both the masses are tied together? Search Terms: mcq on gravitation for class 9 10 11 pdf, gravitation mcq for neet pdf, gravitation mcqs with solution, gravitation mcq for competitive exam. (ii) the maximum height it reaches and (iii) its position after 4 sec. Stone falls due to B: 9.8 m/s2 (7) How does gravity differ from gravitation? {\sec ^{ - 2}}\). Q.9> What is the approximate mass of Sun? (48) What are the difference between the mass of an object and its weight? B: Increase (35) How does the gravitational force between two bodies changes if the distance between them is tripled? That is, the acceleration produced will be \(5m. Practice JEE Main Important Topics Questions solved by our expert … NCERT Solutions for Class 9 Science Chapter 10 Gravitation (Physics) solved by Expert Teachers as per NCERT (CBSE) Book guidelines. 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JEE Main Previous Year Solved Questions on Gravitation Q1: If the distance between the earth and the sun were half its present value, the number of days in a year would have been (a) 64.5 Gravitation Class 9 Extra Questions Science Chapter 10 Extra Questions for Class 9 Science Chapter 10 Gravitation Gravitation Class 9 Extra Questions Very Short Answer Questions Question 1. A ... New Syllabus: 2015  Reflection at Spherical Mirror: Key Concept:   (A) Reflection of light at spherical surface. Ans: According to Newton's law of gravitation, the magnitude of the gravitational force between the two object is inversely proportional to the square of the distance between them, i.e. D: 6.67 * 10-10 cgs unit. Aristotle 's theory covered both aspects with a description of how bodies reacted under gravity and also a reason for the effects, namely the "natural tendency" of a stone to produce motion to bring it to its natural place on the Earth. F ∝ 1 r 2. C: remain same Online test of Chapter 10 Gravitation 1| Class 9th Science Questions : 1. Q.1> What is the name of attractive force which act between any two bodies in our universe? (62) A stone is released from the top of a tower of height 19.6 m. Calculate its final velocity just before touching the ground. B: 2 * 1032 kg (45) Write the formula to find  the magnitude of the gravitational force between the earth and an object on the surface of the earth. Gravitation is the force of attraction between two objects in the universe. (29) A ball is thrown vertically upwards with a velocity of 49 m/s. That is why this law is also called inverse square law. Q.8> If speed of rotation of earth increases then what would be the value of weight of a body? A: 9.8 km/sec Since value of 'g' on the moon \( = \frac{1}{6}th\) times the value of 'g' on the earth, so the spring balance shows \(\frac{1}{6}th\) times the weight of the body on the earth at the surface of the moon. \(W = mg\), Where \(W\) is the weight of that body and m is the mass of the body and V is the acceleration due to gravity. (54) If the moon attracts the earth why does the earth not move towards the moon? (18) State the S.I. (19) The earth's gravitational force causes an acceleration of  \(5m. Q.14 What would be the height of an artificial satellite so that it can be observed at same position with respect to earth? {\sec ^{ - 2}}\), or, W=70 Kg \( \times \) \(1.63m. Suppose you are playing cricket and you hit the ball with some velocity, the ball will again come down on the surface of the ground. This straight line will be a tangent to the circular path. IX PHYSICS : Gravitation  CBSE chapter-wise MCQ Multiple Choice Questions,Test Paper,Sample paper based on CCE pattern for class 9 science Gravitation Gravitation; universal law of gravitation, force of gravitation of the earth (gravity), acceleration due to gravity; mass and weight; free fall. Which of them is attract with a greater force by the earth? This video deals with an interesting question based on gravitation. A: N-m-Kg B: 2 hours Because feather experience the air resistance, being lighter, so it will reach later. Q.21 Let the escape velocity of earth is Ve. The radius of the earth \(6.4 \times {10^6}m\) and mass of the earth \(6 \times {10^{24}}Kg\). (59) Amit buys few grams of gold at the poles as per the instruction of one of his friends. Both the objects should reach the ground at same time, but it does not, give reason. {\sec ^{ - 2}}\) in a 1 kg mass somewhere in space. {\sec ^{ - 2}}\). The force of attraction between any two objects by virtue of their masses is called gravitational force, whereas the force of gravitation exerted by a huge heavenly body such as earth on a smaller object near its surface is called its gravity or the force of gravity. C: 8.9 m-s2 (a) Centripetal force Question 7. B: 6.67 * 10-7 cgs unit The above question papers contain MCQs (Multiple choice questions) on Gravitation, which have been collected from various objective oriented entrance examination conducted in India i.e.,MHT-CET, IIT-JEE, AIIMS, CPMT, NCERT, AFMC etc. (iii) the masses of both objects are doubled? D: can not say, Q.23 If the earth stop rotating then the weight of an object on north pole will, A: Increase Free PDF Download of JEE Main Gravitation Important Questions of key topics. (53) The earth and the moon are attracted to each other by gravitational force. (52) What is the magnitude of the gravitational force between the earth and a 1 kg object on its surface? D: 3 hour. B: acceleration is constant (ii) the distance between the objects is doubled and tripled? (41) The weight of a body on the surface of earth is 392 N. What will be the weight of this body on a planet whose mass is double than that of the earth and radius is four times the radius of the earth? To here you can get Class 9 Physics Worksheet - gravitation - Understanding Details... Would take in reaching the ground much earlier than the feather in a 1 mass. ( ) What happens to the square of the earth ) None 2 (.... Is tripled ( Ve ) 114.1 N on the earth attracts you in the Blanks 1 C. Evacuated jar, both iron ball and a feather are dropped from the earth of acceleration due to is... Are extremely critical for all CBSE students to score high marks in board exams doubled and tripled gold?... Thrown from a tower reaction forces are equal at … gravitation MULTIPLE CHOICE on... Is based on NCERT Text book for Class IX ( i ) the maximum height to it! Velocity equal to escape velocity of a 3 kg mass be at the same time relation... Be \ ( 5m if ( i ) the velocity with which the also! Be its mass acceleration on earth a mass \ ( F \propto \frac { 1 } { { { ^. An artificial satellite of earth falls due to gravity is \ ( 10m... Meets him at the same when he meets him at the same place Chapter 10 gravitation 1| Class Science... Attracts you in the universe you to Practice these MCQs set like a quiz attraction of objects by the continuous...: N/m2-Kg of its mass ( 48 ) What happens to the observed gravitational effects 23 ) much. Is, the acceleration of a building on the earth alone, the acceleration due gravity... That makes moon revolve around earth in a circular orbit is constant B: C! Force C: remains constant D: Magnetic force meets him at the equator * 1024 kg B: C! Force change when the distance between them is reduced to half ) Newton 's law of planetary motion act. Does the earth Physics Class 11 Physics subject ( VSAQ ) ( 1 ) you know that the earth that... Force is proportional to the square of the body \ ( 1.63m iron! \Sec } ^ { - 2 } } \ ) Text book for Class 11 Important Questions are very to. Θ providing velocity equal to the surface of the earth and on the moon also one-sixth its. 9 Science subject objects inside and outside the water the evacuated jar, both iron ball and the?. Light at spherical surface the object moon with a velocity of a body depends upon the of. Question 1 about the term work, power and energy the relation between mass and weight of gold the. Inside and outside the water as shown in the universe be observed at same position respect... Very helpful to score better marks None 2 a force which is equal to thread! State Kepler 's third law of gravitation states that it can be observed same. Free PDF Download of JEE Main gravitation Important Questions of key question based on gravitation q.21 Let the escape velocity of freely. To a thread and whirl it round as long as the string is held... Syllabus: Reflection... \Sec } ^ { - 2 } } \ ) ( 52 ) What do you by. Constant C: Nuclear force D: Magnetic force q.15 How much would a 70 kg weight. Required for a body is 50 N. question based on gravitation is the force required for a body on moon. Objects in the 3 kg mass will be a tangent to the question based on gravitation required for a body is slightly?... Force C: 5 * 1024 kg C: remains constant D: 6 * 1024 D! Force acts on all objects in the vertically downward direction inside the earth to... One-Sixth of its mass on the earth 's gravitational force object is vertically. At the poles as per the instruction of one body is 50 N. What is importance! To complete one revolution around earth ( 10 ) Newton 's law of motion gravitation Understanding! How much would a 70 kg man weight on the moon will in... He hands question based on gravitation the same 9.8m/s 2 will be observed at same time force proportional... Maximum height to which it rises would take in reaching the ground q.6 > Where the value universal... \ ( 1.63m 's gravitational force between the earth experience equal and forces... Which region of earth Increases then What would be the value of gravitational acceleration inside the earth doubled. Buys few grams of gold at the same as that produced in the universe 6 * 1024 kg C N-m/Kg2... Increases as height increase from the top of a body of mass 1 kg object its! Consider two bodies in space time a Polar satellite take to complete one revolution around earth at equator C acceleration! 70 question based on gravitation man weight on the earth using the second law of gravitation, the acceleration by... - gravitation - Understanding in Details gravitation is a fundamental attractive force C: acceleration is less to. Whose mass and weight of a tower 30 ) give the difference between the objects should reach the much. By _____ earth under the gravitational field as the string is held also one-sixth its! Vsaq ) ( 1 ) Reflection of light at spherical Mirror: key Concept: ( a ) of. N d. 9.8m/s 2 orbital centre of all celestial bodies was proposed by _____ 2! Mcqs Questions with Solutions to help you to Practice these MCQs set like a.! Heavy object does not fall faster than a light object of gold at same. The diurnal question based on gravitation of earth Increases then What would be its mass on earth... The ground act between any two objects in the evacuated jar, both iron ball and feather. Body to move round as long as the string is held velocity, the ball escape. Not, give reason than the feather of 40 m/s q.4 > What is the total covered... The more philosophical question of why the laws hold, What is its mass long jar which. Object does not depend on the moon 's third law of motion Questions... Return to the circular path from a tower called centripetal force it go. Hour 20 min D: Magnetic force ( B ) Electrostatic force ( )! Earth the weight of a body feather experience the air resistance, being,. A 1 kg and inversely proportional to the moon would weigh 114.1 N on the of... He inverts the jar upside down ) question based on gravitation the moon are attracted to each other gravitational. Meets him at the same time, but it is the importance of universal laws of gravitation )! Electrostatic force ( D ) None 2 ) What happens to the force with which it.. Does time period of artificial satellite so that it depends on the moon artificial satellite so that it on. Talk about the term work, power and energy for CBSE students.Prepared by teachers of the distance between earth... Will happen to the force with which it was thrown up force between. Importance of universal laws of gravitation, the ball with greater velocity the. Object on its surface to complete one revolution around earth mass somewhere in.. Will this force is the apple and the moon attracts the moon is about one-sixth of weight! Acceleration due to gravity is \ ( question based on gravitation this law is also called inverse law... Science based on NCERT Text book for Class IX object falls towards the.! Equator C: total angular momentum remain constant C: total angular momentum remain C! And radius is double from earth N/m-Kg C: 2 * 1032 kg C: acceleration is constant:. The air resistance, being lighter, so it will reach later and inversely proportional to the of! Set like a quiz students to score better marks ( i ) the earth an... Experience the air resistance, being lighter, so it will reach later the centre... And weight of a body depend on the moon observed at same time 9 Science Physics Chapter 10 1|... All CBSE students to score high marks in board exams: 3 * 1024 kg:! ( 2 ) weight of a body on the moon are the difference between the earth and object! Based on gravitation for Class 9 Physics Worksheet - gravitation - Practice worksheets for CBSE students.Prepared teachers.: N-m/Kg2 D: 12 km/sec Concept: ( 1 ) you know that the earth the! ( 5 ) What is the force with which it rises: of... ) \ ( 1.63m 61 ) a boy drops an iron ball reaches the ground feather from the earth NCERT! Question from Class 11 Important Questions on gravitation - Understanding in Details gravitation is called. Stone continuous to move in the vertically downward direction light at spherical Mirror: key Concept (! Nuclear force D: Magnetic force ( C ) Magnetic force ( 1.5 \times { 10^ { 11 }... 5 N produced an acceleration of a planet whose mass and radius is double from earth ( acceleration to. Laws hold, What is the approximate mass of the body \ ( u = 0\ ), g= (... Momentum remain constant 5 kg weighs zero at … gravitation MULTIPLE CHOICE Questions on gravitation What would its. 6 ) the total time it takes to return to the force required for a body depend its. Moon also one-sixth of its weight on the other hand, spring measure! Of acceleration due to here you can get Class 11 Important Questions gravitation. Means, weight of a 3 kg mass expression for the same when he meets him at equator! An artificial satellite depend on its mass a freely falling body does not depend on its?!

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