Question
A 1 m diameter wagon wheel consists of a thin rim having a mass of 6 kg and six spokes each having a mass of 1.5 kg. Determine the moment of inertia of the wagon wheel for rotation about its axis.
Answers
bobpursley
Add the moments of inertia for a thin rim, and six spokes rotating about one end.
Wasif
It= Ih+6I(tr)
It=(6)*(1/2)^2+6(1/3*(1.5)*(1/2)^2)
=2.25 kg*m^2
It=(6)*(1/2)^2+6(1/3*(1.5)*(1/2)^2)
=2.25 kg*m^2