Question

He moment of inertia of a wheel which is having rim of mass 20 m and twenty spokes each of mass m and length l about its axis is

Answer 1

Answer: correct ans is. 80ML'2/3

Explanation:

Rim of wheel as ring about its axis have moment of lnertia =20ML'2

And 20 spokes like rod about its axis =20 * ML'2/3

MI. 1. +MI. 2. = 80ML'2/3

May it help u....