A counterweight of mass m = 4.10 kg is attached to a light cord that is wound around a pulley as shown in the figure below. The pulley is a thin hoop of radius R = 7.00 cm and mass M = 1.80 kg. The spokes have negligible mass. (a) What is the net torque on the system about the axle of the pulley? magnitude direction N.m ---Select-- (b) When the counterweight has a speed v, the pulley has an angular speed w = v/R. Determine the magnitude of the total angular momentum of the system about the axle of the pulley. kg - m)v (c) Using your result from (b) and ? = dL/dt, calculate the acceleration of the counterweight. (Enter the magnitude of the acceleration.) |m/s²

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Q: Two forces act on a rod hinged at point P. F1 = 45 N is at a distance of 75cm  and makes an angle of…

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A: Torque =force × perpendicular distance

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Q: 2 m P 45° 60° 6 m F

A: F1 = 20 N F2 = 25 N θ1 = 45oθ2 = 60o

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Q: For questions 7 to 10, refer to the given problem below. Three 25-N forces act on a beam shown: 60°…

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Q: Find the magnitude of the net torque on the wheel in Figure below about the axle through O, taking…

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Q: A wheel of inner radius r, = 14.6 cm and outer radius r, = 35.0 cm shown in the figure below is free…

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.