Which of the following describes an object with elastic potential energy?

A.
an iceberg floating in ocean water that is 35°F
B.
a boulder teetering on the edge of a steep cliff
C.
a cannon ball sitting at the bottom of a cannon
D.
a bed spring that is pushed together with a weight

1 answer

D. a bed spring that is pushed together with a weight

Elastic potential energy is stored in objects when they are deformed (stretched or compressed) and have the capacity to return to their original shape. In this case, the bed spring is compressed, storing elastic potential energy.