Questions
The work done by external agent in stretching a spring of force constant k from length
detailed solution
Correct option is B
U2 = 12kl22 U1 = 12kl12W = U2-U1 = 12kl22-12kl12 = 12k(l22-l12)Talk to our academic expert!
Similar Questions
Two similar springs P and Q have spring constants such that Kp > . They are stretched first by the same amount (case a), then by the same force (case b). The work done by the springs are related as, in case (a) and case (b), respectively.
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