A piece of rubber 10cm long stretches 6mm when a load of ...
A piece of rubber 10cm long stretches 6mm when a load of 100N is hung from it. What is the strain?
60
6
6 x 10-2
6 x 10-3
0.6
Correct answer is C
Strain = ΔLL
Extension produced = 6mm or 0.6cm
Original length = 10cm
= 0.610
= 0.06 or 6 x 10−2
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