Acceleration of a Pulley System?

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SUMMARY

The discussion focuses on calculating the acceleration of a pulley system involving two bodies: Body A weighing 32N and Body B weighing 102N, with friction coefficients Ms=0.56 and Mk=0.25. The participants seek clarification on how to approach the problem differently based on the states of motion: when Body B is at rest, moving up the incline, and moving down the incline. Key equations for solving these scenarios include Newton's second law and friction force calculations, which vary depending on the direction of motion.

PREREQUISITES
  • Understanding of Newton's second law of motion
  • Knowledge of static and kinetic friction coefficients
  • Familiarity with pulley systems and inclined planes
  • Ability to analyze forces acting on objects in motion
NEXT STEPS
  • Study the application of Newton's second law in different motion scenarios
  • Learn about the calculations for static and kinetic friction forces
  • Explore examples of pulley systems in physics textbooks or online resources
  • Review inclined plane problems and their solutions for better comprehension
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and pulley systems, as well as educators looking for examples to illustrate concepts of motion and friction.

allsmiles
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Homework Statement


Body B in the figure weighs 102N and Body A weighs 32N, The coefficients of friction between B and the incline are Ms=0.56 and Mk=0.25. Find the acceleration of the system if
a) B is initially at rest
b) B is moving up the incline
c) B is moving down the incline


Homework Equations


i don't understand which equations i would need

The Attempt at a Solution


what's the difference in situation between a, b, c i don't understand how i could solve them differently
i am so confused!
 
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this is the original question example 5
i get how to get the acceleration, but what's the difference between part a,b,c

opps: forgot the link: people.uncw.edu/ganl/phy201
go to chapter 6, example 5:)
 
Last edited:
allsmiles said:
this is the original question example 5
i get how to get the acceleration, but what's the difference between part a,b,c

opps: forgot the link: people.uncw.edu/ganl/phy201/chapter_6.ppt

I gave a post about this on the other problem.
Your link does not work so if someone else wants to help tonight you might want to change it.
 

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