A roofer rolls a magnetic sweeper across your lawn after you get a new roof. He needs to pick up the nails dropped during the job. How does the potential energy of the system change as picks up a nail?

Question

a. As the nail reaches the magnet, the potential energy decreases
b. As the nail reaches the magnet, the potential energy increases

Answer 1

c. The potential energy remains the same
d. The potential energy fluctuates

Answer: B. As the nail reaches the magnet, the potential energy increases.

Answer 2

whats the right answer dawg