A cube of aluminium of side 6 cm is subj...

A cube of aluminium of side 6 cm is subjected to a tangential force such that the top face is shears through 0.012cm relative to the bottom face. The tangential force is `k xx 10^(10)` dyne. What is the value of k? [Shear modulus of the material is `eta= 2 xx 10^(11)` dyne `cm^(-2) `]

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