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First Law of Motion

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Figure shows a flywheel of radius 10 cm. It's moment of inertia about the rotation Axis is 0.4 kg m2. A massless string passes over the flywheel and a mass 2 kg is attached at its lower end. Angular acceleration of the flywheel in rad/s2 is nearly

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Q. A flywheel of moment of inertia

0.4 K g / m^{2}

0.2 m

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Q. A wheel of radius 0.4 m can rotate freely about its axis as shown in the figure. A string is wrapped over its rim and a mass of 4 kg is hung. angular acceleration of 8 rad-

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