Gravitational force shares a common feature with electromagnetic force. In both cases, the force is

A current I flows through a potential difference V in an electrical circuit containing a resistance R. The product of V and I i.e. VI may be understood as

An optician prescribes a power = - 0.5 dioptre. The corresponding lens must be a

If an object undergoes a uniform circular motion, then its ?

The motion of a particle is given by a straight line in the graph given above drawn with displacement (x) and time (t). Which one among the following statements is correct?

An object moving is undergoing a non accelerated motion. Its rate of change in momentum is