M R Consider the above figure. The weight has a mass m = 2.0 kg, and its attached to a ligth cord wound around a pulley. The pulley consists of a hoop of wiht radius R = 7 cm and mass M = 2.1 kg. The mass of the spokes is negligible.. (a) What is the magnitude of the net torque on the system about the axle of the pulley? (b) When the counterweight has a speed v, Determine the magnitude of the total angular momentum of the system about the axle of the pulley. (c) Using your result from part (b) and the defintion of torque, T=dL/dt, calculate the acceleration of the counterweight.

M R Consider the above figure. The weight has a mass m = 2.0 kg, and its attached to a ligth cord wound around a pulley. The pulley consists of a hoop of wiht radius R = 7 cm and mass M = 2.1 kg. The mass of the spokes is negligible.. (a) What is the magnitude of the net torque on the system about the axle of the pulley? (b) When the counterweight has a speed v, Determine the magnitude of the total angular momentum of the system about the axle of the pulley. (c) Using your result from part (b) and the defintion of torque, T=dL/dt, calculate the acceleration of the counterweight.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with. 

Question

100%

M
m
Consider the above figure. The weight has a mass m = 2.0 kg, and its attached to a
ligth cord wound around a pulley. The pulley consists of a hoop of wiht radius R = 7
cm and mass M = 2.1 kg. The mass of the spokes is negligible..
%3D
%3D
(a) What is the magnitude of the net torque on the system about the axle of the
pulley?
(b) When the counterweight has a speed v, Determine the magnitude of the total
angular momentum of the system about the axle of the pulley.
(c) Using your result from part (b) and the defintion of torque, T=dL/dt, calculate the
acceleration of the counterweight.

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