Question

A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is

a.

k1+k2/2

b.

k1+k2/k1k2

c.

k1k2/k1+k2

d.

k1+k2

Posted under Mechanical Engineering

Answer: (d).k1+k2

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Q. A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is

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