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If a spring of stiffness ‘k’ is cut into parts ‘A’ and ‘B’ of length lA : lB = 2 : 3, then the stiffness of spring ‘A’ is given by(a) 3k/5(b) 2k/5(c) k(d) 5/2k

Simran Bhatia , 10 Years ago
Grade 11
anser 1 Answers
Kevin Nash

Last Activity: 10 Years ago

(d) Here, lA = 2l/5, lB = (3l/5)

kl = kAlA = kBlB kl = kA(2l/5

kA = 5k/2 ? kB =5k/3

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