Which of the following expressions is dimensionally correct for force expressed only…

PHYSICS · Single correct · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

Which of the following expressions is dimensionally correct for force expressed only in terms of mass

m

, velocity

v

and radius

r

? (a)

m v r

(b)

\dfrac{m v^{2}}{r}

(c)

\dfrac{m v}{r}

(d)

\dfrac{m v^{2}}{r^{2}}