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General Physics Previously Asked Questions: Motion Under Gravity
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General Physics Previously Asked Questions: Motion Under Gravity
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25 Questions

1. If an apple is released from an orbiting spaceship, it will
2. If an object is falling from above, its weight remains
3. The known forces of nature can be divided into four classes, viz., gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them which one of the following statements is not correct?
4. If the radius of the Earth were to shrink by one percent, its mass remaining the same, the value of g on the Earth's surface would
5. The time period of a pendulum
6. Who gave the theory of gravity?
7. A ball is dropped from the top of a high building with a constant acceleration of 9.8 m/s2. What will be its velocity after 3 s?
8. Two balls A and B are of 10 kg and 1 kg, respectively. They are dropped simultaneously from a height of 20 m. Which of the following is correct?
9. The mass of a body on the Earth is 100 kg (acceleration due to gravity, ge = 10 m/s2). If acceleration due to gravity on the Moon is (ge = 106 m/s2), then the mass of the body on the Moon is
10. If the distance between the Earth and the Sun were twice what it is now, the gravitational force exerted on the Earth by the Sun would be
11. The weight of human body is
12. A batsman hits a cricket ball which then rolls on a level ground. After covering a short distance, the ball comes to rest. The ball slows to a stop because
13. If the gravitational force of the Earth suddenly disappears, which are of the following will be the correct consequence?
14. An artificial satellite orbiting around the Earth does not fall down. This is so because the attraction of Earth
15. Why do pendulum checks usually lose time in summer?
16. The two balls of iron and wood of same weight dropped from the same height, then
17. Satellite is kept moving in its orbit around the Earth; it is due to
18. A smooth plane inclined at an angle q with the horizontal as shown in the given figure. A body starts from rest and slides down on the inclined surface. The time taken by the body to reach the bottom is
19. Who among the following anticipated Newton by declaring that all things gravitate to the Earth?
20. Who propounded the universal law of gravitation?
21. The Earth travels in its orbit at a speed of approx. 4,400 km per hour. Why do we not feel this high speed?
22. A pendulum clock can run faster in
23. Weightlessness is
24. If pieces of equal size of woods, wax and iron falling from a same height, which one will reach the surface of the Earth first?
25. Astronauts in space cannot stand erect. This is because, in space