JAMB - Physics (2020 - No. 2)
The force required to make an object of mass m, travelling with velocity v, turn in a circle of radius r is
\(\frac{mv^2}{r}\)
\(\frac{mr^2}{x}\)
\(\frac{mr}{v}\)
\(\frac{mv}{r^2}\)
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.
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