What forces act on spring?
when a spring is expanded or contracted, what forces act on the material of the spring considering a very minute part (dx).
Replies
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Ramani AswathA spring is nothing more than a straight wire. It is coiled to make it compact. When a spring is tensioned all that happens is that the wire is twisted. It is equivalent to keeping one end of a straight wire fixed and twisting the far end through an angle. The stress is pure torsion. -
zaverianother force which acts on the spring is shear force . it is the force which acts at right angles to the plane of the wire cross-section and tends to cut it.
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