Multiple Choice Question (MCQ)

Question: What force will be required to punch a hole of 10 mm dia in a 1 mm thick plate, if the allowable shear stress is 50N/mm2? (Pi = 22/7)
A. 1757 N
B. 1575 N
C. 1571.4 N
D. 1577 N
Correct Answer: 1571.4 N