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GATE 2023 BM – Question 31

Biomechanics · Soft Tissue Mechanics · 1 mark · Numerical answer

A tissue has Young’s modulus 3.6 kPa and Poisson’s ratio 0.2. Find its shear modulus in kPa, rounded to one decimal place.

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Correct answer: 1.5 to 1.5

Explanation

For the isotropic linear elastic model, Young’s modulus E and shear modulus G satisfy E=2G(1+ν). Thus G=3.6/[2(1+0.2)]=3.6/2.4=1.5 kPa. The requested one-decimal answer is 1.5.

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