Calculating Acceleration of Connected Blocks on a Wedge

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SUMMARY

The discussion focuses on calculating the acceleration of connected blocks on a wedge, specifically with an angle of 20 degrees and a coefficient of kinetic friction of 0.2. Participants suggest using Free Body Diagrams (FBD) to analyze forces acting on the blocks, particularly focusing on the tensions T1 and T2. Additionally, the conservation of energy method is proposed as an alternative approach to solve the problem. The consensus is that block C will lead the motion of the system.

PREREQUISITES
  • Understanding of Free Body Diagrams (FBD)
  • Knowledge of Newton's laws of motion
  • Familiarity with kinetic friction concepts
  • Basic principles of conservation of energy
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  • Study the application of Free Body Diagrams in multi-body systems
  • Learn about the effects of kinetic friction on block motion
  • Explore conservation of energy in mechanical systems
  • Practice solving problems involving connected masses and tension forces
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Students studying physics, particularly those focusing on mechanics, as well as educators looking for problem-solving strategies in dynamics involving connected blocks and friction.

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Homework Statement


http://img94.imageshack.us/img94/8821/phy001.th.jpg
angle = 20
coefficient of kinetic friction between block and surface = 0.2
When the whold system released, what is the "acceleration" of blocks.
all blocks have equal mass


Homework Equations





The Attempt at a Solution


block c will lead the motion
 
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What are your thoughts on the matter? In the past, how have you treated problems involving blocks, strings and hanging masses? Other than reading the problem carefully, where does one always begin with such problems?
 
Hi wing_88! :smile:

Either call the two tensions T1 and T2, then do some FBD equations, and eliminate T1 and T2

or use work done and conservation of energy. :wink:
 

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