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A square lead slab of side 40 cm and thi...

A square lead slab of side 40 cm and thickness 10 cm is subject to a shearing force (on its narrow face) of `9.0 xx 10 ^(4) N.` The lower edge is riveted to the floor. How much will the upper edge be displaced ? Shear modulus of lead `G=5.6 xx 10 ^(9) N//m ^(2)`

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Displacement of upper edge `Delta x =0.16mm`
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