Question

An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by

a.

increasing the length of bar

b.

decreasing the cross-sectional area of the bar

c.

decreasing the modulus of elasticity of the bar

d.

all of the above

Posted under Mechanical Engineering

Answer: (d).all of the above

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Q. An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by

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