Which of the following gives the magnitude of the centripetal force acting on a body…

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

Which of the following gives the magnitude of the centripetal force acting on a body of mass

m

moving with linear speed

v

along a circle of radius

r

? (a)

\displaystyle \tfrac{1}{2}\,\frac{m v^{2}}{r}

(b)

\displaystyle \frac{m v^{2}}{r}

(c)

\displaystyle 2\,\frac{m v^{2}}{r}

(d)

\displaystyle \pi\,\frac{m v^{2}}{r}