Solving MA: Sum of Forces = Mass x Acceleration

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SUMMARY

The discussion focuses on solving a physics problem related to Newton's second law, specifically the equation "Sum of forces = Mass x Acceleration." The participant successfully determined the mass of body A as 10 kg but expressed uncertainty regarding the appropriate free body diagram (FBD) to use for analyzing the forces acting on body A. The key takeaway is the importance of correctly identifying the object of interest when applying the sum of forces to determine acceleration.

PREREQUISITES
  • Understanding of Newton's second law of motion
  • Ability to create and interpret free body diagrams (FBDs)
  • Basic knowledge of mass and acceleration concepts
  • Familiarity with force analysis in physics problems
NEXT STEPS
  • Study the principles of free body diagrams (FBDs) in physics
  • Learn how to apply Newton's second law to various scenarios
  • Explore examples of force analysis in multi-body systems
  • Review problem-solving strategies for physics homework
USEFUL FOR

Students studying physics, educators teaching mechanics, and anyone seeking to improve their problem-solving skills in dynamics.

Oblivion77
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Homework Statement



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Homework Equations



Sum of forces = MA

The Attempt at a Solution



I already found the answer to part A, which is 10kg. But for part B I am not sure which box to draw my FBD on.
 
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Oblivion77 said:
But for part B I am not sure which box to draw my FBD on.
Since you want the acceleration of body A, analyze the forces on body A.
 

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