A uniform thin rod of mass and length is pivoted about an axis perpendicular to the…

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

Problem

A uniform thin rod of mass

3\,\text{kg}

and length

0.80\,\text{m}

is pivoted about an axis perpendicular to the rod and passing through a point

0.20\,\text{m}

away from its centre. Calculate the radius of gyration of the rod about this axis. (a)

0.46\,\text{m}

(b)

0.31\,\text{m}

(c)

0.20\,\text{m}

(d)

0.56\,\text{m}