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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 10 - Gravitation > Assertion : Two spherical shells have masses m1andm2. Their radii are r1andr2. Let r be the distance of a point from centre. Then gravitational field strength and gravitational potential both are equal to zero for O

Assertion : Two spherical shells have masses m1andm2. Their radii are r1andr2. Let r be the distance of a point from centre. Then gravitational field strength and gravitational potential both are equal to zero for O

Assertion : Angular momentum of a planet is constant about any point Reason : For acting on the planet is a central force.