A pendulum consisting of a string of length L attached to a bob of mass m swings in a vertical plane. (a) When the string is at an angle θ to the vertical, calculate the tangential acceleration of the bob using ΣFt = mat. (Use any variable or symbol stated above along with the following as necessary: g and θ.) (solved) at = gsin(θ) (b) What is the torque exerted about the pivot point? (Use any variable or symbol stated above along with the following as necessary: g and θ.) (unsolved)
A pendulum consisting of a string of length L attached to a bob of mass m swings in a vertical plane. (a) When the string is at an angle θ to the vertical, calculate the tangential acceleration of the bob using ΣFt = mat. (Use any variable or symbol stated above along with the following as necessary: g and θ.) (solved) at = gsin(θ) (b) What is the torque exerted about the pivot point? (Use any variable or symbol stated above along with the following as necessary: g and θ.) (unsolved)
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 14PQ
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A pendulum consisting of a string of length L attached to a bob of mass m swings in a vertical plane.
(a) When the string is at an angle θ to the vertical, calculate the tangential acceleration of the bob using ΣFt = mat. (Use any variable or symbol stated above along with the following as necessary: g and θ.) (solved)
at = gsin(θ)
(b) What is the torque exerted about the pivot point? (Use any variable or symbol stated above along with the following as necessary: g and θ.) (unsolved)
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