Question 20. A frictionless pulley has the shape of a uniform solid disk (I = /mr²) of mass 2.50 kg and radius 20.0 cm. A very light wire is wrapped around the rim of the pulley, and a steady downward force of 15.0 N is applied to the wire. What is the magnitude of the angular acceleration of the pulley? Tension = 2.50 kg pulley 15.0 N
Question 20. A frictionless pulley has the shape of a uniform solid disk (I = /mr²) of mass 2.50 kg and radius 20.0 cm. A very light wire is wrapped around the rim of the pulley, and a steady downward force of 15.0 N is applied to the wire. What is the magnitude of the angular acceleration of the pulley? Tension = 2.50 kg pulley 15.0 N
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Transcribed Image Text:Question 20. A frictionless pulley has the shape of a uniform solid disk
(1 = ½/mr²) of mass 2.50 kg and radius 20.0 cm. A very light wire is
wrapped around the rim of the pulley, and a steady downward force of
15.0 N is applied to the wire. What is the magnitude of the angular
acceleration of the pulley?
Tension
=
2.50 kg
pulley
15.0 N
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