11. If a person stands on the weight scale inside the lift and the lift starts moving upwards then-
12. A car falls from an outcrop and lands in 0.4 seconds. What is its speed while hitting the ground? (Suppose g = 10m/s2)
13. What is the change in the gravitational force between two objects when the mass of one of the two objects is doubled?
14. A truck slips off the edge and falls to the ground in 1.6 seconds. Which height will the edge be from the ground? (g = 10m/s2)
15. The point where the entire weight of an object functions is called . . . . . . . .
16. 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
17. For a missile launched with a velocity less than the earth's escape velocity, the total energy is
18. The time period of a pendulum
19. What will be the weight of the body on the pole compared to the weight of a body on the Earth's equator?
20. Discovery of universal gravitational constant 'G' had done by-
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