Physics UTME / JAMB 1978 Current Electricity & Electric Circuits
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
\(\frac{mr^2}{v}\)
C
\(\frac{mr}{v}\)
D
\(\frac{mv}{r^2}\)
E
\(\frac{mv}{r}\)
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