A mass hung on a string that is wrapped around an axle on a wheel produces a tension in the string of 8.40 N. The axle has a radius of 0.0700 m. The wheel has a mass of 4.000 kg and a radius of 0.205 m. (Enter your answers to at least three significant figures.) (a) What is the magnitude of the torque (in N · m) produced by the tension on the axle? τ = N · m (b) The wheel has an acceleration of 0.545 m/s2. What is its moment of inertia (in kg · m2)? I = kg · m2
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