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  • Ramani Aswath
    Ramani Aswath

    @ramani-VR4O43 • Jul 12, 2012

    A 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.

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  • zaveri
    zaveri

    @zaveri-5TD6Sk • Jul 13, 2012

    another 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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