A 170-kg merry-go-round of radius 2.10 m is rotated by pulling a rope that is wrapped around its edge. What is the magnitude of the force (assume it to be constant) on the rope needed to bring the merry- go-round from rest to an angular speed of 0.400 rev/s in 3.00 s? (The moment of inertia of merry-go- round is 1/2MR2).
A 170-kg merry-go-round of radius 2.10 m is rotated by pulling a rope that is wrapped around its edge. What is the magnitude of the force (assume it to be constant) on the rope needed to bring the merry- go-round from rest to an angular speed of 0.400 rev/s in 3.00 s? (The moment of inertia of merry-go- round is 1/2MR2).
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Transcribed Image Text:A 170-kg merry-go-round of radius 2.10 m is rotated by pulling a rope that is wrapped around its edge.
What is the magnitude of the force (assume it to be constant) on the rope needed to bring the merry-
go-round from rest to an angular speed of 0.400 rev/s in 3.00 s? (The moment of inertia of merry-go-
round is 1/2MR2).
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