Jay bought a toy car. To make the car move, he must turn a key attached to a spring. Turning the key winds the spring tight. The toy car moves when the key is released and the spring unwinds. What’s the main transformation of energy in this example? A silver color kids pedal car with a key to run it:
A. Chemical energy to electric energy
B. Chemical energy to motion energy
C. Electric energy to motion energy
D. Electric energy to potential energy
E. Potential energy to motion energy
