Practice question
Question
A brass plate experiences a shearing force of 4 × 104 N across an area of 0.05 m2. If the shear strain is 2 × 10-5, what is the shear modulus of brass?
Explanation
Shear modulus: G = (Shear stress) / (Shear strain). Shear stress: Shear stress = F / A = (4 × 104) / 0.05 = 8 × 105 N/m2. Shear strain: 2 × 10-5. Substitute: G = (8 × 105) / (2 × 10-5) = 4 × 1010 N/m2.
Discussion
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