Question

Assume that if the shear stress in steel exceeds about 4.0o x 108 N/m2, the steel ruptures. (a) Determine the shearing force necessary to shear a steel bolt 1.45 cm in diameter. (b) Determine the shearing force necessary to punch a 1.05-cm-diameter hole in a steel plate 0.800 cm thick. Step 1 (a) we know that force F is equal to the surface area A times stress σ so we have 4 108 N/m 2 Your response differs from the correct answer by more than 100%. x 10-2 m x 104 N

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