Bruce Mayer, PE Licensed Electrical & Mechanical Engineer BMayer@ChabotCollege

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

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

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

ûEF ûFBC ûEF

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

ûOA ûOA |û|

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

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

Bruce Mayer, PE Licensed Electrical & Mechanical Engineer BMayer@ChabotCollege