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in Physics by (79.0k points)

Two similar springs P and Q have spring constants Kand KQ, such that K> KQ.They are stretched first by the same amount (case a), then by the same force (case b). The work done by the springs Wand WQ are related as in case (a) and case (b) respectively

(a) Wp > W; WQ > WP

(b) Wp < W; WQ < WP

(c) Wp = WQ ; Wp > WQ

(d) Wp = WQ ; Wp =  WQ

1 Answer

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by (76.3k points)
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Best answer

Correct option (a) Wp > W; WQ > WP

Explanation:

 Here. K> KQ

Case (a) : Elongation (r) in each spring is same.

Case (b) : Force of elongation is same.

 

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