What is the Tension in a Cable?

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SUMMARY

The discussion focuses on calculating the tension in cables supporting a rectangular plate. The tension in cable AB is established at 405N, while the tension in cable AC is noted as 54N. Participants clarify that resolving the force into components is necessary for determining the force at point B and that the previous part's results are not relevant for the second part of the problem. Additionally, a correction regarding the proper formatting of units is highlighted, emphasizing the need for a space between numeric values and unit symbols according to ISO 31-0 standards.

PREREQUISITES
  • Understanding of static equilibrium in mechanics
  • Knowledge of vector resolution and force components
  • Familiarity with tension forces in cable systems
  • Awareness of international standards for unit notation (ISO 31-0)
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  • Study the principles of static equilibrium in mechanical systems
  • Learn how to resolve forces into components using vector analysis
  • Explore tension calculations in cable-supported structures
  • Review international standards for scientific notation and unit representation
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Students in engineering mechanics, physics enthusiasts, and professionals involved in structural analysis or cable system design will benefit from this discussion.

wannawin
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Homework Statement


a) A rectangular plate is supported by three cables. Knowing that the tension in cable AB is 405N, determine the force at B.
b) For the plate in the above question determine the force in cables AB and AD knowing that the tension in AC is 54N.

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The Attempt at a Solution



I guess I'm just a little confused as to the wording of this question. For part a) is it just simply resolving the 408N force into components? And for part b) is anything from part a) given or found relevant?
 
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wannawin: Answers to your two questions: (1) Yes. (2) No.

By the way, whoever wrote your book (or the page you posted) is unknowledgeable of the correct way to write units. There should always be a space between the numeric value and its following unit symbol. E.g., 408 N, not 408N. See the international standard for writing units[/color] (ISO 31-0[/color]).
 

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