Question

WRITE DOWN THE MATHEMATICAL EXPRESSION OF WORK DONE BY A BODY.

Answer 1

Answer:

if a body moves when a force is applied on a body

Answer 2

Answer:

Work is done by a body when force is applied and some displacement occurs.

Mathematical expressions :

W=F. S (for constant force)

F is force vector and S is displacement vector

For variable force,

W=

${fdx$

{ is symbol of integration here