The frictional force in the moment of inertia experiment is given by:
University of Ilorin PHY107 2022 past question
- \( F_r = -mg \sin \theta \)
- \( F_r = -mg \cot \theta \)
- \( F_r = -mg \cos \theta \)
- \( F_r = -mg \tan \theta \)
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