A rod is pivoted horizontally at its end and released from rest. As it rotates, does the magnitude of its angular acceleration increase, decrease, or remain the same? Explain. b. Suppose you are standing at the center of a merry-go-round that is at rest. You are holding a a. spinning bicycle wheel over your head so that it is rotating counterclockwise as observed from above. There is no friction between the merry-go-round and its base, but there is static friction between your feet and the merry-go-round. You grab the edge of the wheel, stopping it from spinning. Does the merry-go-round remain at rest, begin to rotate clockwise (as observed from above), or begin to rotate counterclockwise (as observed from above)? Explain.
A rod is pivoted horizontally at its end and released from rest. As it rotates, does the magnitude of its angular acceleration increase, decrease, or remain the same? Explain. b. Suppose you are standing at the center of a merry-go-round that is at rest. You are holding a a. spinning bicycle wheel over your head so that it is rotating counterclockwise as observed from above. There is no friction between the merry-go-round and its base, but there is static friction between your feet and the merry-go-round. You grab the edge of the wheel, stopping it from spinning. Does the merry-go-round remain at rest, begin to rotate clockwise (as observed from above), or begin to rotate counterclockwise (as observed from above)? Explain.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter13: Rotation Ii: A Conservation Approach
Section: Chapter Questions
Problem 16PQ
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