JEE Main 2014 Question Paper

Section: Physics

Question : 27 of 90

Marks: +1, -0

When a rubber-band is stretched by a distance x,it exerts a restoring force of magnitude F=ax+bx2 where a and b constants.The work done in stretching the unstretched rubber band by L is :

[Main 2014]

aL2
2
+
bL3
3
1
2
(
aL2
2
+
bL3
3
)
aL2+bL3
1
2
(aL2+bL3)

Validate

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