Sun April 08, 2012 By: Bhavna

what is meant by rigid body and a not rigid body

Expert Reply
Mon April 09, 2012
a rigid body is an idealization of a solid body of finite size in which deformation is neglected. In other words, the distance between any two given points of a rigid body remains constant in time regardless of external forces exerted on it.
A non-rigid body will deform even if a force is small. In reality, all bodies deform.
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