Fill in the blanks.

(A) Work done = ______ × ______ (in the direction of force).

(B) 1 joule of work is done when a force of ______ newton displaces an object by 1 metre in the direction of the force.

(C) The expression for kinetic energy of a body of mass $m$ and velocity $v$ is ______.

(D) The potential energy of an object of mass $m$ at a small height $h$ from the Earth's surface is ______.

(E) Power is defined as the ______ at which work is done.