A load of 5N gives an extension of 0.56cm in a wire which...
A load of 5N gives an extension of 0.56cm in a wire which obeys Hooke's law. What is the extension caused by a load of 20N?
1.12cm
2.14cm
2.24cm
2.52cm
Correct answer is C
F1e1 = F2e2
50.56 = 20e2
e2 = 2.24cm
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