Physics 0625 · IGCSE · Energy, work and power

Energy, work and power — practice question

Two workers are placing cans onto a shelf in a shop. Each worker lifts the same number of identical cans onto that same shelf from the same starting height. Worker P takes $3.0$ minutes to lift the cans. Worker Q takes $4.0$ minutes to lift the cans. Which statement about the workers is correct?

  • AWorker P develops less useful power than worker Q.
  • BWorker P develops more useful power than worker Q.
  • CWorker P does less useful work than worker Q.
  • DWorker P does more useful work than worker Q.

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