The gravitational force is a central force. Acceleration due to gravity has different values for different point ont the earth.s surface, g varies with altitude or depth. Gravitational acceleration have different values for different planets and depends on mass and radius of planets. For the given density of planets, gravitational acceleration is directly proportional to radius of planets. The object on equator will have zero weight, when

The gravitational force is a central force. Acceleration due to gravit

1.	The gravitational force is a central force. Acceleration due to gravity has different values for different point ont the earth.s surface, g varies with altitude or depth. Gravitational acceleration have different values for different planets and depends on mass and radius of planets. For the given density of planets, gravitational acceleration is directly proportional to radius of planets. The object on equator will have zero weight, when
Answer» EARTH ROTATES 17 times FASTER than the present rotational SPEED Duration of day becomes 4 hrs . Earth rotates with an initial ANGULAR speed. Duration of day becomes 8 hrs. Answer :A