Questions
Maximum stress that can be applied to a wire which supports an elevator is . Mass of elevator is m and it is moved upwards with an acceleration of . Minimum diameter of wire (Neglecting weight of wire) must be
detailed solution
Correct option is D
σ=FA=mg+g2πD24=3mg×42πD2=6mgπD2D=6mgπσTalk 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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