11. Approximate escape velocity on the surface of the Earth.
12. An object was thrown upwards at a speed of 14m/s and find 10m height. Calculate the time taken by the object to reach the highest point.
13. Why does a stone thrown towards the sky return to the earth?
14. The force of gravity exists between . . . . . . . . objects, but cannot be felt until the mass of objects, such as planets, is very high-
15. Consider the following statements.
1. The time period of satellite does not depend on the radius of the orbit.
2. The orbital velocity is inversely proportional to the square root of the radius of the orbit.
3. The orbital velocity of a satellite increases with the radius of the orbit.
Which of the statement(s) given above is/are correct?
1. The time period of satellite does not depend on the radius of the orbit.
2. The orbital velocity is inversely proportional to the square root of the radius of the orbit.
3. The orbital velocity of a satellite increases with the radius of the orbit.
Which of the statement(s) given above is/are correct?
16. The force of gravity between of two objects is F. If the mass of objects is halved without changing their distance, the gravitational force will be:
17. The weight of a body at the center of the Earth will be:
18. The radius and mass of a planet are half of the Earth's radius and mass. What will be the value of g on this planet?
19. When an object reaches its top when thrown upwards, its-
20. The kinetic energy given to the body to project it with the escape velocity is called
Read More Section(Gravitational Force)
Each Section contains maximum 100 MCQs question on Gravitational Force. To get more questions visit other sections.