JEE Main

AI Gen: Rotational Motion question bank (Physics)

Practice 25 free JEE Main Physics - AI Gen: Rotational Motion questions with answers and step-by-step solutions.

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Q1.

The moment of inertia of a uniform circular disc of mass $M$ and radius $R$ about an axis passing through its center and perpendicular to its plane is:

Topic: Rotational Motion | Source: AI Generated (JEE Main)

(A)
\frac{1}{2}MR^2
(B)
MR^2
(C)
\frac{1}{4}MR^2
(D)
\frac{2}{5}MR^2
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Q2.

A torque of 20 Nm is applied to a flywheel of moment of inertia $4\text{ kg m}^2$. The angular acceleration produced is:

Topic: Rotational Motion | Source: AI Generated (JEE Main)

(A)
5 rad/s^2
(B)
80 rad/s^2
(C)
16 rad/s^2
(D)
0.2 rad/s^2
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