Consider the father pushing a playground merry-go-round. He exerts a force of 250 N at the edge of the 50.0-kg merry-go-round, which has a 1.50-m radius. Calculate the angular acceleration produced (a) when no one is on the merry-go-round and (b) when an 18.0-kg child sits 1.25 m away from the center. Consider the merry-go- round itself to be a uniform disk with negligible friction.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
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Consider the father pushing a playground merry-go-round. He exerts a force of 250 N
at the edge of the 50.0-kg merry-go-round, which has a 1.50-m radius. Calculate the
angular acceleration produced (a) when no one is on the merry-go-round and (b)
when an 18.0-kg child sits 1.25 m away from the center. Consider the merry-go-
round itself to be a uniform disk with negligible friction.
Transcribed Image Text:Consider the father pushing a playground merry-go-round. He exerts a force of 250 N at the edge of the 50.0-kg merry-go-round, which has a 1.50-m radius. Calculate the angular acceleration produced (a) when no one is on the merry-go-round and (b) when an 18.0-kg child sits 1.25 m away from the center. Consider the merry-go- round itself to be a uniform disk with negligible friction.
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