Answer the following question given this paragraph: 

Work is defined differently in physics than in everyday language. In physics, work means the use of force to move an object. The teen who is playing tennis in Figure above is using force to move her tennis racket, so she is doing work. The teen who is studying isn’t moving anything, so she is not doing work.


Q: What term in physics refers to the use of force to move an object?

 Choices:

- mass

- momentum

- velocity

- work

A:
work
