Calculate Acceleration & Tension of a Pulley System

AI Thread Summary
The discussion focuses on calculating the acceleration and tension in a pulley system with three equal masses, where two are on one side and one on the other. The acceleration is determined to be g/3, with the tension between the two sides of the pulley calculated as 13.3 m N. Participants emphasize the importance of applying Newton's 2nd law to derive the tension between the two masses on the same side. There is a suggestion to include mass in the calculations for clarity and accuracy. Overall, the conversation highlights the need for thorough problem-solving steps in physics.
Ciaran
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Homework Statement


Three equal masses are hung from a pulley(2 on one side, 1 on the other). Find the acceleration of the system and the tension between: a) the 2 sides of the pulley and b) between the 2 masses on the same side

Homework Equations

The Attempt at a Solution


Got a= g/3, for a) T= 13.3m N and not 100% sure about b)
 
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Ciaran said:
Got a= g/3, for a) T= 13.3m N
Good.

Ciaran said:
and not 100% sure about b)
What do you think? Apply Newton's 2nd law to one of those masses.
 
Is it T= 2g/3 N?
 
Ciaran said:
Is it T= 2g/3 N?
Yes, but you left out the mass.

(It's generally a good policy to show how you arrived at your answer, not just give your answer.)
 

Thread 'Errors and significant figures'

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Thread 'A cylinder connected to a hanging mass'

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