Question

when is body said to be at rest?

Answer 1

Answer:

Hey mate here is your answer

Explanation:

$when \: the \: position \: of \: the \: body \: with \: respect \: to \: its \: surroundings \: does \: not \: change \: then \: the \: body \: is \: said \: to \: be \: at \: rest...$

Answer 2

The body is said to be at rest if the body doesn't move with respect to its surroundings.

Hope it helps