Two identical spherical balls, each of mass m, are placed as shown in figure. Plot the variation of g(gravitation intensity) along the x-axis due to both the masses.

Two spherical balls each of mass 1kg are place 1 cm apart. Find the gravitational force of attraction between them.

Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis XX. which is thouching to two shells and passing through diameter of third shell. Moment of inertia of the system consisting of these there spherical shells about XX. axis is

Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis XX which is touching to two shells and passing through diameter of third shell:Moment of inertia of the system consisting of these three spherical shells about ' XX' axis is

Two identical electric dipoles of dipole moments p are placed as shown in the figure. The electrostatic force on dipole placed along x-axis is (d