1.
Law of gravitation gives the gravitational force between:
2.
Two objects of different masses falling freely near the surface of moon would:
3.
The weight of an object at the centre of the earth of radius R is:
4.
The value of quantity G in the law of gravitation:
10.
A stone is released from the top of a tower of height 19.6m. calculate its final velocity just before touching the ground.
11.
Mass of an object is 10 kg. What is its weight on the earth?
12.
The value of acceleration due to gravity:
14.
A boy is whirling a stone tied with a string in an horizontal circular path. If the string breaks, the stone:
15.
The atmosphere is held to the earth by:
18.
The force of attraction between two unit point masses separated by a unit distance is called:
