Infinite particles each of mass 'M' are placed at positions `x=1 m, x=2m, x=4 m .... prop`. Find the gravitational field intensity at the origin.

Two particle of masses 4kg and 8kg are kept at x=-2m and x=4m respectivley. Then, the gravitational field intensity at the origin is

An infinite number of particles each of mass m are placed on the positive X-axis of 1m, 2m, 4m, 8m,... from the origin. Find the magnitude of the resultant gravitational force on mass m kept at the origin.

Masses of 1 kg each are placed 1 m, 2 m, 4 m, 8 m , ... from a point P . The gravitational field intensity at P due to these masses is

Two particles of masses 9M and 16M are placed at separtion d . At what distance from 9M , gravitational field is zero.

A number of particles each of mass 0.75kg are placed at distances 1m, 2m, 4m, 8m etc. from origin along positive X axis. the intensity of gravitational field at the origin will be -

Three identical point mass each of mass 1kg lie in the x-y plane at point (0,0), (0,0.2m) and (0.2m, 0). The net gravitational force on the mass at the origin is

Earth is a sphere of uniform mass density. If the weight of the body is 10 n N half way down. The body weighed 100 N on the surface. An infinite collection of equal masses of 2kg each are kept on a horizontal line ( X -axis) at positions x=1m,2m,4m,8m ...... find the gravitational potential at x=0 in GJ unit.

Eight particles of mass 'm' each are placed at the verties of a cube of side 'a' . Find gravitational potential energy of this system . .

Mass particles of 1 kg each are placed along x-axus at x=1, 2, 4, 8, .... oo . Then gravitational force o a mass of 3 kg placed at origin is (G= universal gravitation constant) :-