CBSE Class 11-science Answered
(a) Which is more elastic: rubber or glass? Why?
(b) Identical springs of steel and copper are equally stretched. On which spring, more work will have to be done?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
(a) Glass is more elastic than rubber because for a given applied force per unit area, the strain produced in glass is much smaller than the strain produced in rubber.
(b) Y for steel is more that of copper. Therefore, in order to produce the same extension, a larger force will have to be applied on the steel spring than the copper spring.
Answered by | 04 Jun, 2014, 03:23: PM
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