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The rigid beam is supported by a pin at A and wires BD and CE. If the load P on the beam causes the support B to be displaced 5 mm downward, determine the normal strain developed in wires CE and BD.
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Revelant knowledge
The response of a solid to the application of a normal force (i.e., a force perpendicular to the object’s cross-sectional area) is referred to as normal strain. The formula below can be used to define this property: ε = ΔL / L
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