41.4k views
0 votes
Which of these is NOT an example of work?

A. Holding a heavy book
B. Pushing a wheelbarrow
C. Lifting weights

2 Answers

4 votes
the correct answer is actually A
User Chasemc
by
7.7k points
2 votes
The correct answer is A. Holding a heavy book.

In this case, there is not a displacement of the system and you must remember that work is force times displacement.
User Paolo M
by
7.8k points