In the image below, the ball is rolling from point A to point G in the real world, so friction is a factor. At which point on the image above does the ball have the greatest potential energy?

Question

rolling ball.png

D

F

C

A

B

G

E

Answer 1

The point at which the ball has the greatest potential energy is at point A, as potential energy is proportional to height and point A is the highest point on the image.