A 4.00-kg counterweight is attached to a light cord, which is wound around a spool (refer to
Question:
(a) What is the net torque on the system about the point O?
(b) When the counterweight has a speed v, the pulley has an angular speed ώ = v/R. Determine the total angular momentum of the system about O.
(c) Using the fact that π = d L/dt and your result from (b), calculate the acceleration of the counterweight.
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Related Book For
Fundamentals of Thermal-Fluid Sciences
ISBN: 978-0078027680
5th edition
Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala
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