Question

Which of the following is an example of work being done on an object?

A.
Water in a pot changes into steam.
B.
A man pushes a couch across the room.
C.
A box rests on the floor.
D.
A prism scatters ultraviolet light into visible light.

Answer 1

B. The man pushes a couch across the room

Answer 2

Option B. A man pushes a couch across the room is the answer.