Question

W. - A man does 100 joules of work when he lifts a box in 2 minute through
a height of 2m. The liſts the box in 1 minute through the same height O
the work done is
1 minute​

Answer 1

the work done is dependent on mass and displacement of the body and not on time. so the work done will be 100J only whether the box is held for 1min ,2 min or 1 hour the work done will be same