Irving, a cat, has a favorite toy that is made up of a squeaky ball at the end of a string. The toy makes up a closed system. Irving’s owner dangles the toy so that the ball swings down and then swings back up again.
Answer
A
As the ball moves upward, both kinetic and potential energy decrease.
B
As the ball moves downward, both kinetic and potential energy increase.
C
As the ball moves upward, kinetic energy decreases and potential energy increases.
D
As the ball moves downward, kinetic energy decreases and potential energy increases.