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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 10 - Gravitation > Assertion : Mass of the rod AB is m1 and of particle P is m2. Distance between centre of rod and particle is r. Then the gravitational force between the rod and the particle is F=Gm1m2/r^2 Reason : The relation F=Gm1m2/r^2 can be applied directly only to find force between two particles.

Assertion : Mass of the rod AB is m1 and of particle P is m2. Distance between centre of rod and particle is r. Then the gravitational force between the rod and the particle is F=Gm1m2/r^2 Reason : The relation F=Gm1m2/r^2 can be applied directly only to find force between two particles.

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