JEE PHYSICS MCQ: SYSTEM OF PARTICLES

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Application +4 | -1

A solid sphere, hollow sphere, solid cylinder, hollow cylinder and ring each of mass

M

and radius

R

are simultaneously released at rest from top of incline and allowed to roll down the incline. The angular acceleration is maximum for

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Correct option: A

Solid sphere

Option A (Solid sphere) is correct because it has the smallest moment of inertia, leading to the highest angular acceleration.

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\mathrm{AB}

\mathrm{L}

\mu(x)=a+\frac{b x}{L}

x

\mathrm{A}

\mathrm{CM}

\left(\frac{7}{12}\right) \mathrm{L}

\mathrm{A}

\mathrm{b}

1.0 \mathrm{~g}

8 \mathrm{~cm}

\omega = {t^4} + 2{t^3}

t = 1\,sec

\left( {rad\,{s^{ - 2}}} \right)