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Engineering Analysis of Cable Force Components in Various Structures

Solve angle problems for cable forces exerted on tree trunks, steel frameworks, and bungie cords using tension values and cable geometry. Determine angles and force components for engineering applications.

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Engineering Analysis of Cable Force Components in Various Structures

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  1. Engineering 36 Lab-05 Chp4AngleProblems Bruce Mayer, PE Licensed Electrical & Mechanical EngineerBMayer@ChabotCollege.edu

  2. Problem • Cable AB & AC attachedto Tree Trunkand fastenedto Stakes in the Ground • Given Cable Tension TAC = 3.6 kN • Find • Components of Force exerted by cable AC on the Tree • The Space Angles θx, θy, θz for Cable AC

  3. Problem • Given theGeometryof the SteelFrameWork as Shown • Given • EF & EG are Cables • Pt-E is at MidPt of BC • Tension in Cable EF is 330N • Find • Angle Between EF and BC • Projection on BC of the force exerted by Cable EF at Pt-E

  4. ûEF ûFBC ûEF

  5. Problem • Given • Geometryas Shown • BungiCordPC with Tension of 30N • Distance OP = 120 mm • Find • Angle Between PC and OA • Projection on OA of the force exerted by the BungiCord PC at Pt-P

  6. =

  7. ûOA ûOA |û|

  8. TBC = 5.3 kN Problem • Given • Geometry as Shown • Angle OAB is 90° • Tension in Cable BC is 5.3 kN

  9. TBC = 5.3 kN Problem • Find • The Angle, θ, Between the Cable and Pipe BA • The Components of FBC (cable force acting at Pt-B) that are || and  to Pipe BA

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