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Chapter: 11th Physics : Properties of Matter

Solved Example Problems for Elastic energy

Calculate i) the stress developed in the wire ii) the strain and iii) the energy stored.

EXAMPLE 7.5

A wire of length 2 m with the area of cross-section 10-6m2 is used to suspend a load of 980 N. Calculate i) the stress developed in the wire ii) the strain and iii) the energy stored.

Given: Y = 12 × 1010N m−2.

Solution



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