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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
gsin⁡θ
b
2gsin⁡θ3
c
gsin⁡θ2
d
Zero

detailed solution

Correct option is C

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

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