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§3.3 Equilibrium of particles 3–D

§3.3 Equilibrium of particles 3–D. Static equilibrium requires:. Support reactions in 3-D. Example 1: The mass m D is supported by boom OA and cables AB and AC . Determine the largest mass m D that may be supported. member failure load AB 4 kN tension.

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§3.3 Equilibrium of particles 3–D

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  1. §3.3 Equilibrium of particles 3–D Static equilibrium requires:

  2. Support reactions in 3-D

  3. Example 1:The mass mD is supported by boom OA and cables AB and AC. Determine the largest mass mD that may be supported. member failure load AB 4 kN tension. AC 4 kN tension. AO 9 kN tension, 5 kN compression. A: mD = 382 kg.

  4. Example 2:The bead at C weighs 10 lb and bar AB is frictionless. Determine the force T supported by the cord CD and the reaction between bar AB and the bead. A: T = 9.63 lb.

  5. Example 3:Repeat example 1 with point C relocated, as shown. member failure load AB 4 kN tension. AC 4 kN tension. AO 9 kN tension, 5 kN compression.

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