When is a body said to be perfectly elastic?Give an example for perfec

1.	When is a body said to be perfectly elastic?Give an example for perfectly elastic body and perfectly plastic body.
Answer» 1. If a body regains its original shape and size completely and instantaneously upon removal of the deforming force, then it is said to be perfectly elastic. 2. There is no solid which is perfectly elastic or perfectly plastic, The best example of a near perfectly elastic body is quartz fibre and that of a plastic body is putty.

When is a body said to be perfectly elastic?Give an example for perfectly elastic body and perfectly plastic body.

Answer»

1. If a body regains its original shape and size completely and instantaneously upon removal of the deforming force, then it is said to be perfectly elastic.

There is no solid which is perfectly elastic or perfectly plastic,
The best example of a near perfectly elastic body is quartz fibre and that of a plastic body is putty.

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When is a body said to be perfectly elastic?Give an example for perfectly elastic body and perfectly plastic body.

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