1.
Keeping mass constant, the radius of planet is decreased by 2%. What is the % change in gravity on the surface?
2.
Keeping density constant, the radius is increased by 2%. What is the % change in gravity on the surface?
3.
Acceleration due to gravity at any point P is g’ due to planet. What will be the new value of gravity at Point P if radius of planet is made half keeping its mass constant?
4.
Two planets of radius ratio 1:2 and density ratio 1:4. What is the ratio of gravity on the surface?
5.
What is the % change in value of gravity for height 64 km from surface of earth?
6.
Keeping radius constant, the mass is increased by 2%. What is the % change in gravity on the surface?
7.
Two planets of mass ratio 1: 8 and density ratio 1/2 What is the ratio of gravity on the surface?
8.
Acceleration due to gravity at any point P is g’ due to planet. What will be the new value of gravity at Point P if radius of planet is made half keeping its mass constant?
9.
What is the value of acceleration due to gravity at 1600 km inside earth from the surface of Earth?
10.
What is the % change in value of gravity for depth 16 km from the surface of earth?
