Question

Define work.when is work said to be done by a force

Answer 1

The SI unit of work is the joule (J), which is defined as the work expended by a force of one newton through a displacement of one metre.

In SI base units: 1 kg⋅m2⋅s−2

SI unit: joule (J)

work is done when the object moves through a certain distance in a particular direction after the force had been applied on it. Forwork to be done, the force must be