To keep a vehicle moving at a constant speed v, requires power P, from the...
PHYSICS
JAMB 1990
To keep a vehicle moving at a constant speed v, requires power P, from the engine. The force provided by the engine is
- A. \(\frac{p}{v}\)
- B. \(\frac{1}{2}\) v
- C. pv
- D. \(\frac{p}{v^2}\) v
Correct Answer: A. \(\frac{p}{v}\)
Explanation
power = speed x force
force = \(\frac{power}{speed}\)
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