Question 146 of 280
A uniform solid cylinder of mass ' ' and radius ' ' rolls along an inclined rough plane of inclination . If it starts to roll from rest from the top of the plane then the linear acceleration of the cylinder's axis will be
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Answer: (C)
\(\begin{aligned} & a=\frac{\mathrm{g} \sin \theta}{1+\frac{\mathrm{I}}{\mathrm{mR}^2}} \\ & a=\frac{\frac{g}{\sqrt{2}}}{1+\frac{1}{2}}=\frac{2 \frac{g}{\sqrt{2}}}{3}=\frac{\sqrt{2} g}{3}\end{aligned}\)