Physics · Rotational Motion
A uniform disc has mass M and radius R. How much tangential force should be applied to the rim of the disc so as to rotate it with angular velocity 'ω' in time t starting from rest?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12 M R ωt
- 2M R ωt
- 3M R ω2t✓
- 4M R ω4t
Correct answer
M R ω2t
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