Find the tension in a cable and the reaction about a point

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SUMMARY

The discussion focuses on calculating the tension in cable CD and the reaction force at point B for a system involving a weight of 50 kg and a distance of 1.5 m. The key equations utilized are the sum of forces and the sum of moments, both set to zero for equilibrium analysis. Participants confirm that analyzing moments about point D is a valid approach to derive the necessary tension and reaction forces.

PREREQUISITES
  • Understanding of static equilibrium principles
  • Familiarity with tension and reaction forces in cable systems
  • Knowledge of moment calculations in physics
  • Ability to interpret free-body diagrams
NEXT STEPS
  • Study static equilibrium problems involving multiple forces
  • Learn about free-body diagram construction and analysis
  • Explore tension calculations in various cable configurations
  • Review moment of force calculations and their applications
USEFUL FOR

This discussion is beneficial for physics students, engineering students, and anyone involved in structural analysis or mechanics, particularly those focusing on tension and equilibrium in cable systems.

wannawin
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Homework Statement


Find the tension in the cable CD and the reaction at point B.
a=1.5 m
w= 50 kg

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Homework Equations


Sum of forces=0
Sum of moments=0

The Attempt at a Solution


I'm not really sure where to start on this one. I'm thinking about finding the moments about point D, but I don't know if that will even give me anything useful.
 
Last edited by a moderator:
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Yes, that is fine, and will be useful.
 

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