A spring 40mm long is stretched by the acceleration of a force. If 10 – McqOptions

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1.	A spring 40mm long is stretched by the acceleration of a force. If 10N force is required to stretch the spring through 1mm, then work done in stretching through 40mm is?
A.	84J
B.	48J
C.	24J
D.	8J
Answer» E.

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