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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.
Distribution of Responses
Chart showing distrubtion of responses for Item EG001005
Students Responding Correctly
Group Correct Total Percent
Overall 1603 2523 64%
  6–8 903 1439 63%
  9–12 693 1074 65%
Primary Language

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