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Questions  

A rolling object rolls without slipping down an inclined plane (angle of inclination θ), then the minimum acceleration it can have is

a
g sinθ
b
2g sin θ3
c
g sinθ2
d
zero

detailed solution

Correct option is C

a = g sin θ1+IMR2a is minimum, if I is maximum.Imax = MR2         [for ring]⇒    amin= g sin θ1+MR2MR2 = g sin θ2

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A solid cylinder of mass 2 kg and radius 50 cm rolls up an inclined plane of angle inclination 300. The centre of mass of cylinder has speed of 4 ms-1. The distance travelled by the cylinder on the inclined surface will be
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