Jaycie wants to increase her upper body strength
by doing push-ups. She does one push-up by
applying a force of 10 N to raise her center of
gravity 2 m. How many push-ups must Jaycie
complete to do 200 J of work?
A.
5 push-ups
B. 10 push-ups
C.
15 push-ups
D. 20 push-ups