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 prism scatters ultraviolet light into visible light.
D-A box rests on the floor.

Answer 1

Answer:

B

Explanation:

Work is defined as force x distance so a man pushing is the force and the couch moving is the distance