31. When a bullet is fired from a gun
32. The inability of a body to change its state of rest or uniform motion along a straight line is called its
33. The moment of inertia of a body does not depend upon its
34. An athlete runs before long jump to get advantage on
35. What is the gravity of moon as compared to the Earth
36. When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler.
37. According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ________ of an object.
38. Why does a cannon recoil after firing ?
39. When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force?
40. A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).
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