Physics

Problem

A constant force of magnitude

10\,\text{N}

acts on a body moving with speed

5\,\text{m\,s}^{-1}

. The force is always perpendicular to the direction of motion. The instantaneous power supplied by the force is a)

50\,\text{W}

25\,\text{W}

0\,\text{W}

10\,\text{W}