A 450 kg counterweight is attached to a light cord which is, Ask an Expert

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A 4.50 kg counterweight is attached to a light cord, which is wound around a spool. The spool is a uniform solid cylinder of radius 6.00 cm and mass 1.80 kg.

(a) What is the net torque on the system about the point O?

Magnitude _____________

(b) When the counterweight has a speed v, the pulley has an angular speed ? = v/R. Determine the total angular momentum of the system about O.

______________ v kg·m2/s

______________m/s

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