Questions
A hollow cylinder of density of has length L inner radius a and outer radius b. its moment of inertia about the axis of the cylinder is
detailed solution
Correct option is D
Given length= LInner radius= aOuter radius= b M.I. of a shell of thickness dr and radius r is dI=ρ2πrLdrr2I= abdI= abρ2πrLdr r2=2πρL abr3dr=2πρLb4−a44Talk to our academic expert!
Similar Questions
Shown in the fig. is a hollow ice-cream cone (it is open at the top). If its mass is M, radius of its top, R and height, H, then its moment of inertia about its axis is :
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