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The impulse of a force is deduced from Newton's second law as

Physics
JAMB 2016

The impulse of a force is deduced from Newton's second law as

  • A. F = ma
  • B. F = m( \(\frac{v - u}{t}\))
  • C. F = mg
  • D. F = mv - mu
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Correct Answer: Option B
Explanation

Force = mass x acceleration

But acceleration = \(\frac{v - u}{\text{t}}\)

F = m x  (\(\frac{v - u}{\text{t}}\))

Ft = mv - mu.

There is an explanation video available below.


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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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