B A 1000# RA 500N 20° Problems For problems 2.28 through 2.33, draw FBDs. 2.28 The small derrick shown on the right consists of two posts, AB and BC, supporting a weight W = 1,000#. Find the reactions R, and Rc. Rc 2.29 Two members AC and BC are pinned together at C to provide a frame for resisting a 500 N force as shown. Determine the forces developed in the two members by isolating joint C. change force to 600N Equilibrium Equations: Two-dimensional 2.28 Ra= Rc= 2.29 (change force to 600N) AC= AB= 2.33 CD= AC= DE= BC= Free Body Diagrams 2.34 Ax= Ay=_ Bx= By= 2.36 Ax= Ay= Bx= By= 2.37 (change middle force to 4000 lbs) Ay=_ Dx= Dy=_ 2.38 (change horizontal force to 2 kN) Ax= Ay= Bx= By=_ 2.40 Ay= By= Dx= 32% Bx= Cy= Dy=

B A 1000# RA 500N 20° Problems For problems 2.28 through 2.33, draw FBDs. 2.28 The small derrick shown on the right consists of two posts, AB and BC, supporting a weight W = 1,000#. Find the reactions R, and Rc. Rc 2.29 Two members AC and BC are pinned together at C to provide a frame for resisting a 500 N force as shown. Determine the forces developed in the two members by isolating joint C. change force to 600N Equilibrium Equations: Two-dimensional 2.28 Ra= Rc= 2.29 (change force to 600N) AC= AB= 2.33 CD= AC= DE= BC= Free Body Diagrams 2.34 Ax= Ay=_ Bx= By= 2.36 Ax= Ay= Bx= By= 2.37 (change middle force to 4000 lbs) Ay=_ Dx= Dy=_ 2.38 (change horizontal force to 2 kN) Ax= Ay= Bx= By=_ 2.40 Ay= By= Dx= 32% Bx= Cy= Dy=

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter11: Topics From Analytic Geometry

Section: Chapter Questions

Problem 30RE

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