Question

A man carefully brings down a glass sheet from a height 2 m to the ground. what is the work done by him?

Answer 1

Answer:

Explanation:negative work

Answer 2

Answer:

     The work done is negative.

Explanation:

            Work done = Force × displacement

                           W=FS

                              =Fs cos θ

                              =mg × 2(-1)

                              = -2mg

              Hence, the work done is negative.