The element ACE is rigid. The three suspender bars are made of the same material
The element ACE is rigid. The three suspender bars are made of the same material (the modulus of elasticity, E, is the same for all members) and have equal cross-sectional areas, A.
1. Superimpose a free body diagram on the provided figure.
2. Clearly draw the 'deformed position of the system. a. Label all forces, distances, and deformations/displacements.
3. Determine the average normal stress in each suspender bars (σAB, σCD, σEF) in terms of P and A.
4. Determine the vertical displacement of point A, ΔA, in terms of P, L, A and E.
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The element ACE is rigid. The three suspender bars are made of the same material
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practice exam for mechanic of material
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