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A close coiled helical spring of round steel wire 10 mm diameter having 10 complete turns with a mean radius of 60 mm is subjected to an axial load of 200 N. Determine the deflection of the spring. C = 80 kN/mm2

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  1. You seem to just want us to do problems for you but give no indication of why you are having trouble.

    https://www.quora.com/What-is-the-spring-constant-of-a-coil-spring-in-terms-of-its-physical-parameters

    in particular:
    The spring constant of a helical spring is given by,

    k = G x d^4 / 8 x D^3 x n
    Symbols

    F = loading of spring
    L_o = free spring length
    L_s = solid length when gets pressed
    k = spring constant
    d = diameter of spring wire
    D = mean spring diameter
    G = modulus of elsticity
    n = number of coils

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    Damon
  2. Determine the deflection of the spring. C = 80 kN/mm2

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  3. Q4/ A helical spring made of steel wire with a diameter of 1 cm has 15 coils with a mean diameter of 10 cm. A 100 N axial load is applied to the spring. Calculate the: A. The maximum shear stress induced, B. The deflection, and C. Stiffened of the spring. Take the modulus of rigidity G= 8.16x10ʻ N/mm².

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