Physics · 2021
JEE Main · 3 August 2021, Shift 1 · Q8
A pulley of mass m and moment of inertia I about its axis is suspended as shown in the diagram. The spring has spring constant ' k ' and the string…
A pulley of mass $\displaystyle m$ and moment of inertia $\displaystyle I$ about its axis is suspended as shown in the diagram. The spring has spring constant ' $\displaystyle k$ ' and the string does not slip over the pulley. Find the extension in the spring under equilibrium condition.
Official answer
(4)
$\displaystyle \frac{m g}{2 k}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.