An acetal polymer block is fixed to the rigid plates at its top and bottom surfaces. if the top plate displaces 2 mm horizontally when it is subjected to a horizontal force p = 2 kn ,determine the shear modulus of the polymer. the width of the block is 100 mm. assume that the polymer is linearly elastic and use small angle analysi

The shear modulus of the polymer is 5 MPa

Solution:

As per the question:

displacement of the top plate, d = 2 mm = 0.002 m

Horizontal Force, P = 2 kN = 2000 N

Width of the block, w = 100 mm = 0.1 m

By small angle analysis:

Angle,

Now,

Stress, =

i wanna say it’s between b and d, leaning more towards b.

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