How do you solve compound body problems with three masses and one pulley?

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The discussion focuses on solving compound body problems involving three masses and one pulley, specifically a scenario where a 4.0 kg mass is replaced by a 6.5 kg mass with a frictional coefficient of 0.30. Participants are tasked with calculating the system's acceleration and the tensions T1 and T2. The forum emphasizes the importance of demonstrating an initial attempt at solving the problem before receiving assistance, adhering to community guidelines.

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  • Knowledge of frictional forces and coefficients
  • Ability to set up and solve equations of motion
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Students studying physics, particularly those focusing on mechanics and dynamics, as well as educators seeking to enhance their teaching of compound body problems involving pulleys.

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http://www.chegg.com/homework-help/questions-and-answers/consider-situation-shown-figure-40-kg-mass-replaced-65-kg-mass-frictional-coefficient-0301-q1351583

I missed class recently, and I don't understand how to do compound body problems. Any help would be appreciated!
 
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Stradivarius said:
http://www.chegg.com/homework-help/questions-and-answers/consider-situation-shown-figure-40-kg-mass-replaced-65-kg-mass-frictional-coefficient-0301-q1351583

I missed class recently, and I don't understand how to do compound body problems. Any help would be appreciated!
Hello Stradivarius. Welcome to PF !

The problem given in that link.
attachment.php?attachmentid=52817&stc=1&d=1352518721.gif

Consider the situation shown in the figure but with the 4.0- kg mass replaced by a 6.5- kg mass. The frictional coefficient is 0.30.

1) Find the acceleration of the system.  2) What is the tension T1?  3) What is the tension T2?


Do you have any ideas at all regarding how to solve part 1) ?

(According to the rules of this Forum, you need to show an attempt, before we can help you.)
 

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