A steel wire of length 21 and cross-sectional area

CBSE Class 11 CBSE Class 11 Physics
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#1

A steel wire of length 21 and cross-sectional area A is stretched within elastic limit as shown in figure. Calculate the strain and stress in the wire.

#2

Total length L = 2l. Increase in length of the wire, when it is stretched from its mid-point.


Total length Increase in length of the wire, when it is stretched from its mid-point_1.png536×547 22.9 KB