JEE Main 2007 — Rotational Motion Question with Solution
JEE Main 2007
Question
A round uniform body of radius , mass and moment of inertia '', rolls down (without slipping) an inclined plane making an angle with the horizontal. Then its acceleration is
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Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
$\begin{aligned}
& \mathrm{f R=I \frac{a}{R}}\\
& \Rightarrow a=\frac{g \sin \theta}{\left(1+\frac{\mathrm{I}}{\mathrm{M}\mathrm{R^2}}\right)}
\end{aligned}$
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This is a previous-year question from JEE Main 2007, covering the Rotational Motion chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.