The potential energy of a certain spring when stretched through a dist – McqOptions

MCQOPTIONS

1.	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 [MNR 1991; CPMT 2002; UPSEAT 2000; Pb. PET 2004]
A.	30
B.	40
C.	10
D.	20
Answer» B. 40

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