PA 5⁰1 MA Pully A of the treadmill is driven by a motor that can supply a moment M_A = 200 in.lb. Pully B is frictionless, and its bearing slides in a frictionless slot where force P tensions the belt. Both Pulleys A and B have 1.5 in, radius and the coefficient of static friction between pulley A and the belt is 0.3. Determine the smallest value of P needed to prevent slip between pulley A and the belt.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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P = 303.2 lb

PA
5⁰1
MA
Pully A of the treadmill is driven by a motor that can supply a moment M_A
= 200 in.lb. Pully B is frictionless, and its bearing slides in a frictionless slot
where force P tensions the belt. Both Pulleys A and B have 1.5 in, radius and
the coefficient of static friction between pulley A and the belt is 0.3.
Determine the smallest value of P needed to prevent slip between pulley A
and the belt.
Transcribed Image Text:PA 5⁰1 MA Pully A of the treadmill is driven by a motor that can supply a moment M_A = 200 in.lb. Pully B is frictionless, and its bearing slides in a frictionless slot where force P tensions the belt. Both Pulleys A and B have 1.5 in, radius and the coefficient of static friction between pulley A and the belt is 0.3. Determine the smallest value of P needed to prevent slip between pulley A and the belt.
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