a solid sphere,spherical shell, solid cylinder and a cylindrical shell all have the mass m and radius R. if they are all released from rest at the same elevation and roll without slipping, which reaches the bottom of an inclined plane first?
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Expert's answer
2011-10-18T08:17:09-0400
Solid sphere will reach the bottom of an inclined plane first, cause it has the smallest moment of inertia: solid sphere:& I = 2mR^2/5 spherical shell: I = 2mR^2/3 solid cylinder:& I =& mR^2/2 cylindrical shell: I =& mR^2
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