Question on: JAMB Physics - 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 Option: A
The force required to make an object move in a circle is the centripetal force. The formula for centripetal force is:
* F = mv²/r
Where:
* F is the centripetal force.
* m is the mass of the object.
* v is the velocity of the object.
* r is the radius of the circle.
Therefore, the correct answer is \\(\\frac{mv^2}{r}\\).
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