Question

when is potential energy transformed into kinetic energy
A) when an object at rest remains at rest
B) when an object at rest is lifted to a higher elevation
C) when an object in motion is stopped and put at rest
D) when an object at rest is put into motion

Answer 1

kinetic energy is when an object is in motion 
How I got my answer is really easy you simply just look at the answers and see which one says the object is in motion . Your answer would most likely be D