A rod of length / and of mass M and another rod of length 2/ and mass 2M are arranged as shown below in the figure.The magnitude of gravitational field at point P is

The moment of inertia of a thing uniform rod of length L and mass M , about axis CD (as shown in figure) is

Two uniform thin rods each of length L and mass m are joined as shown in the figure. Find the distance of centre of mass the system from point O

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

An iron rod of mass 50 g and length 50 cm is suspended by master wires as shown in the figure. Calculate the magnitude and direction of magnetic field to be set in the region such that the tension is the wires is zero. The current in the rod is 4 A.

The gravitational force of attraction between a uniform sphere of mass M and a uniform rod of length l and mass in as shown in figure is

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 rod of length 2l is bent as shown in figure. Coordinates of centre of mass are

A rod of length L and mass M_(0) is bent to form a semicircular ring as shown. The M.I. about X'X is