Item EG001005: For two balls that have the same mass, the ball that is rolling faster has more motion energy.

Two identical balls are rolling down a hill. Ball 2 is rolling faster than Ball 1.

Which ball has more motion energy (kinetic energy)?

  1. Ball 1 has more motion energy.
  2. Ball 2 has more motion energy.
  3. Both balls have the same amount of motion energy.
  4. Neither ball has any motion energy.