Questions
A nylon rope 2 cm in diameter has a breaking strength of N. The breaking strength of a similar rope 1 cm in diameter is
detailed solution
Correct option is A
Breaking strength - Breaking stress × πD24 Breaking stress is unchanged. D is halved. So, breaking strength becomes one-fourth, i.e.,14 ×1.5×105N or 0.375×105N.Talk to our academic expert!
Similar Questions
A wire elongates by / mm when a load Wis hanged from it. If the wire goes over a pulley and two weights W each are hung at the two ends, the elongation of the wire will be (in mm):
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