A uniform cylinder of radius `'r'` length `'L'` and mass `'m'` is lying on the ground with the curved surface touching the ground. F it is to be oriented on the ground with the flat circular end in contact with ground, the work to be done is

A rectangle block of mass 2 kg is lying on the ground. What will be the thrust on the surface of the ground due to the block?

A rod of length L and mass m is kept vertically on the ground. Its potential energy is :

A rod of length L and mass m is kept vertically on the ground. Its potential energy is :

A uniform rod of length 4 m and mass 20 kg is lying horizontal on the ground. The work done in keeping it vertical with one of its ends touching the ground, will be -

A rod length 15 m stands vertically on the ground. With one end hinged to the ground. When it falls on the ground such that it rotates without slipping, the velocity of the upper tip on striking the ground is

A rod of length 15 m stands vertically on the ground with one end hinged to the ground. When it falls on the ground such that it rotates without slipping, the velocity of the upper tip on striking the ground is

A rod AB of mass M and length L is shown in figure. End A of rod is hinged and end B is lying on the ground. Find the Normal reaction by ground on the rod

A rod AB of mass M and length L is shown in figure. End A of rod is hinged and end B is lying on the ground. Find the Normal reaction by ground on the rod

A rectangular block of dimensions 6m xx 4m xx 2m and of density 1.5 gm/c.c is lying on horizontal ground with the face of largest area in contact with the ground. The work done in arranging it with its smallest area in contact with the ground is, (g = 10ms^(-2))