Question

Fill in the following blanks with suitable words :
(a) Work is measured as a product of __________ and __________.
(b) The work done on a body moving in a circular path is __________.
(c) 1 joule is the work done when a force of 1 __________ moves an object through a distance of one __________ in the direction of __________.
(d) The ability of a body to do work is called __________. The ability of a body to do work because of its motion is called __________.
(e) The sum of the potential and kinetic energies of a body is called __________ energy.

Answer 1

(a) Work is measured as a product of force and distance.
(b) The work done on a body moving in a circular path is zero.
(c) 1 joule is the work done when a force of 1 Newton moves an object through a distance of one meter in the direction of force.
(d) The ability of a body to do work is called energy. The ability of a body to do work because of its motion is called kinetic energy.
(e) The sum of the potential and kinetic energies of a body is called mechanical energy.