Question
Download Solution PDFIf a member of a truss is in compression, then what will be the direction of force that it will apply to the joints?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
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When a truss member is in compression:
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The member tends to push outward against the joints to which it is connected.
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Compression members resist shortening, and their internal force is directed inward (to counteract the external load), but the reaction force they apply to the joints is outward.
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This principle is in accordance with Newton's Third Law of Motion:
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Action and reaction forces are equal and opposite.
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If the internal force in the member is directed inward (compression), the force exerted on the joints is outward.
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