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 = 1.40 kg. The spokes have negligible mass. M m R (a) What is the net torque on the system about the axle of the pulley? magnitude direction ---Select--- N⚫m (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) Find the magnitude of the acceleration of the counterweight. m/s² ---Select--- ---Select-- to the right along the axis of rotation to the left along the axis of rotation e

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 = 1.40 kg. The spokes have negligible mass. M m R (a) What is the net torque on the system about the axle of the pulley? magnitude direction ---Select--- N⚫m (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) Find the magnitude of the acceleration of the counterweight. m/s² ---Select--- ---Select-- to the right along the axis of rotation to the left along the axis of rotation e

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 23P: Find the net torque on the wheel in Figure P10.23 about the axle through O, taking a = 10.0 cm and b...

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