A brake pad applied on a 10kg wheel of radius 1m resulted to a negative angular acceleration of -45 rad/s2. What is the magnitude of the frictional force between the wheel and the brake pad? Consider the wheel as a solid disc.

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter12: Rotation I: Kinematics And Dynamics
Section: Chapter Questions
Problem 24PQ: The angular speed of a wheel is given by (t) = 72.5 rad/s + (9.34 rad /s2) t. a. Is the wheels...
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A brake pad applied on a 10kg wheel of radius 1m resulted to a negative angular acceleration of -45 rad/s2. What is the magnitude of the frictional force between the wheel and the brake pad? Consider the wheel as a solid disc.

 

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