NCERT Solutions for Chapter: Gravitation, Exercise 1: Multiple Choice Questions

Two objects of different masses falling freely near the surface of moon would

Two particles are placed at some distance. If the mass of each of the two particles is doubled, keeping the distance between them unchanged, the value of gravitational force between them will be

The atmosphere is held to the earth by 

 The force of attraction between two unit point masses separated by a unit distance is called 

The weight of an object at the centre of the earth of radius $\mathrm{R}$ is

An object weighs $10 \mathrm{N}$ in air. When immersed fully in water, it weighs only $8 \mathrm{N}$. The weight of the liquid displaced by the object will be

A girl stands on a box having $60 \mathrm{cm}$ length, $40 \mathrm{cm}$ breadth and $20 \mathrm{cm}$ width in three ways. In which of the following cases, pressure exerted by the brick will be maximum

An apple falls from a tree because of gravitational attraction between the earth and apple. If $F_1$ is the magnitude of force exerted by the earth on the apple and $F_2$ is the magnitude of force exerted by apple on the earth, then