The forces which do not meet at one point and their lines of action do not lie on the same plane are known as

A machine which is capable of doing work in the reversed direction, after the effort is removed, is called a non-reversible machine.

The linear velocity of a body rotating at ω rad / s along a circular path of radius r is given by

The moment of inertia of a thin disc of mass m and radius r, about an axis through its centre of gravity and perpendicular to the plane of the disc is

If a pendulum is taken 1 km below the earth surface in a mine, it will __________ in time.