Which of the following expressions gives the linear speed of a point at distance from…

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

Which of the following expressions gives the linear speed

v

of a point at distance

r

from the axis of a rigid body rotating with angular velocity

\omega

? (a)

v = 2\pi r\omega

(b)

v = \dfrac{r\,\omega}{2\pi}

(c)

v = r\omega

(d)

v = 2r\,\omega