A spring when compressed by 4 cm has 2 J energy stored in it. The force required to extend it by 8 cm will be

A spring when compressed by 4 cm has 2 J energy stored in it. The forc

1.	A spring when compressed by 4 cm has 2 J energy stored in it. The force required to extend it by 8 cm will be
A.	2 N
B.	20 N
C.	2000 N
D.	200 N
Answer» E.

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A spring when compressed by 4 cm has 2 J energy stored in it. The force required to extend it by 8 cm will be

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