A ring of radius 7cm is rotating about the central axis perpendicular to its plane. A force acts on it, tangentially, such that it does a work of 10J in a complete rotation. Find the value of that force. `

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Related Test: Class 11 Physics Practice Test: System of Particles and Rotational Motion - Kinematics of Rotational Motion about a Fixed Axis 


A ring of radius 7cm is rotating about the central axis perpendicular to its plane. A force acts on it, tangentially, such that it does a work of 10J in a complete rotation. Find the value of that force. `






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