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To keep a vehicle moving at a constant speed v, requires power P, from the engine. The ...

To keep a vehicle moving at a constant speed v, requires power P, from the engine. The force provided by the engine is
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  • A \(\frac{p}{v}\)
  • B \(\frac{1}{2}\) v
  • C Pv
  • D \(\frac{p}{v^2}\) v
Correct Answer: Option A
Explanation:
power = speed x force
force = \(\frac{power}{speed}\)

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