A String Is Wrapped Around a Pulley of Radius 0

question 25

Multiple Choice

A string is wrapped around a pulley of radius 0.05 m and moment of inertia 0.2 kg . m². If the string is pulled with a force , the resulting angular acceleration of the pulley is 2 rad/s². Determine the magnitude of the force .

• A)0.4 N
• B)2 N
• C)8 N
• D)16 N
• E)40 N

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