JEE PHYSICS MCQ: SYSTEM OF PARTICLES

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When an external force is applied at the centre of mass of a rigid body at rest, then it undergoes

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Correct option: A

Only translator motion

Option A (Only translator motion) is correct because a force applied at the center of mass results in translational motion without rotation.

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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)