A particle of mass `m` is situated at a distance `d` from one end of a rod of mass `M` and length `L` as shown in diagram. Find the magnitude of the gravitational force between them

A mass m is at a distance a from one end of a uniform rod of length l and mass M. Find the gravitational force on the mass due to tke rod.

Two particle of masses m and 2m are at a distance 3r apart at the ends of a straight line AB . C is the centre of mass of the system. The magnitude of the gravitational force on a unit mass placed at C due to the masses is

A particle of mass 1 kg is kept on the surface of a uniform sphere of mass 20 kg and radius 1.0 m . Find the work to be done against the gravitational force between them to take the particle away from the sphere.

Consider the situation as shown in the following diagrams. Find net gravitational force on the particle of mass m .

A particle of mass m and speed u collides elastically with the end of a uniform rod of mass M and length L as shown. If the particle comes to rest after collision, find m/M

A uniform ring of mass m is lying at a distance sqrt(3) a from the centre of mass M just over the sphere (where a is the radius of the ring as well as that of the sphere). Find the magnitude of gravitational force between them .

A uniform thin rod of mass m and length R is placed normally on surface of earth as shown. The mass of earth is M and its radius R . Then the magnitude of gravitational force exerted by earth on the rod is

A point mass M is at a distance S from an infinitely long and thin rod of linear density D . If G is the gravitational constant then gravitational force between the point mass and the rod is