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If the force and the velocity on a system are each reduced simultaneously by half,...

Physics
JAMB 2000

If the force and the velocity on a system are each reduced simultaneously by half, the power of the system is

  • A. doubled
  • B. reduced to a quarter
  • C. reduced by half
  • D. constant
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Correct Answer: Option B
Explanation

The Relation between PowerForce and Velocity is given by the relation:

P = F.V , this power is the product of force and velocity.

Therefore, The power of the system is reduced to one-quarter of its original value when both the force and the velocity are reduced by half.

There is an explanation video available below.


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Explanation Video

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