Question

A youth organization is having its annual pinewood model car race. The unpowered cars, like the one shown below, are lined up at the top of a hill and ready to begin.

What gives the cars their potential energy?
A.
their speed
B.
friction
C.
gravity
D.
their wheels
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Answer 1

C.) Gravity

Because it will pull on the car.

speed is determined on the weight of car and gravity

friction will slow the car down

wheels - don't really make sense

Answer 2

Your answer is C. gravity because gravity is what helps things move and also keeps them in place.