The potential energy of a certain spring when stretched through a distance ‘S’ is 10 joule. The amount of work (in joule) that must be done on this spring to stretch it through an additional distance ‘S’ will be:

(1) 30

(2) 40

(3) 10

(4) 20

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#6 | Solved Problems on Potential Energy
#7 | Mechanical Energy

Concept Questions :-

Elastic potential energy
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