JEE Main 2014 — Mechanical Properties of Solids Question with Solution
JEE Main 2014 (12 Apr Online)
Question
Steel ruptures when a shear of is applied. The force needed to punch a diameter hole in a steel sheet thick is nearly:
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Shearing strain is created along the side surface of the punched disk. Note that the forces exerted on the disk are exerted along the circumference of the disk, and the total force exerted on its center only. Let us assume that the shearing stress along the side surface of the disk is uniform, then
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This is a previous-year question from JEE Main 2014, covering the Mechanical Properties of Solids chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.