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A cube of sid...

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A cube of side 40 mm has its upper surface displaced by 0.1 mm by a tangential force of 8kN. The shearing modulus of cube in power of 10^9 N/m2 is:- 1. 2 2. 4 3. 8 4. 16

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Solution

theta = .1/ 40 G = F/A theta

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