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The force required to make an object of mass m, travelling with velocity v, turn...

Physics
JAMB 2020

The force required to make an object of mass m, travelling with velocity v, turn in a circle of radius r is

  • A. \(\frac{mv^2}{r}\)
  • B. \(\frac{mr^2}{x}\)
  • C. \(\frac{mr}{v}\)
  • D. \(\frac{mv}{r^2}\)
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Correct Answer: Option A
Explanation

The force required to make an object of mass \( m \), traveling with velocity \( v \), turn in a circle of radius \( r \) is known as the \textbf{centripetal force}. The formula for centripetal force \( F_c \) is given by: \(F_c = \frac{mv^2}{r}\)

where:\( m \) = mass of the object, \( v \) = velocity of the object, \( r \) = radius of the circular path.

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