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What is the product of force and velocity called?

  • A.Work
  • B.Power
  • C.Energy
  • D.Momentum

Answer: B

Force times velocity is power.

\[P = \frac{dW}{dt} = \frac{\vec{F}\cdot d\vec{s}}{dt} = \vec{F}\cdot\vec{v}\] Force times displacement gives work; force times time gives impulse.

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