Question

The worker in the picture is
A) letting the pulley do all the work.
B) not doing work because he is using a pulley. C) doing work because he is moving the bale of cotton.
D) transforming mechanical energy to potential energy ​

Answer 1

It is C) doing work because he is moving the bale of cotton.It only makes sense he is still doing work the pulley is just making it easier.