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A pulley, with a rotational inertia of 7.6 × 10-3 kg·m2 about its axle and a radius of 9.3 cm, is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F= 0.60t + 0.30t2, with F in newtons and t in seconds. The pulley is initially at rest. At t = 1.0 s what are (a) its angular acceleration and (b) its angular speed?

Question 3 A pulley, with a rotational inertia of 7.6 x 10-3 kg.m2 about its axle and a radius of 9.3 cm, is acted on by a force applied tangentially at its rim. The force magnitude varies in time as F = 0.60t + 0.30t2, with Fin newtons and t in seconds. The pulley is initially at rest. At t (a) Number (b) Number 1.0 s what are (a) its angular acceleration and (b) its angular speed? Units Units
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Solution- -forte acting on fulley tmgeuh,fly wtialy pulley is at Rest pullee w By Relatn ep Torgue nd oRxF 2で. Τοグ Ν.ry 0にinitial Angular speed, radle 2. oGo Sec

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