When the spring of a watch is wound, it will possess

In the shown figure, the tension (T) in the string will be

A rubber ball is dropped from a height of 2 m. If there is no loss of velocity after rebounding, the ball will rise to a height of

If three coplaner forces acting on a point are in equilibrium, then each force is proportional to the sine, of the angle between the other two.

The radius of gyration is the distance where the whole mass (or area) of a body is assumed to be concentrated.