A constant force of 40 N is applied tangentially to the rim of a wheel with a radius of 20 m. If its moment of inertia is 30 kg m², find the work done on the rim and the kinetic energy after 4 s.
University of Ilorin PHY101 2026-exam past question
- W = 19 J, K.E = 19 J
- W = 20 J, K.E = 18 J
- W = 15200 J, K.E = 12400 J
- W = 170666.7 J, K.E = 170666.7 J
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