The polar second moment of area is?
A) The resistance to torsional load about the long axis of a cylinder.
B) Is a property of a cross section that can be used to predict the resistance to bending and deflection about the neutral axis.
C) Is inversely proportional to the radial distance from the neutral axis.
D) Is equivalent to the moment of inertia of the rod.
Correct Answer:
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Q21: The second moment of area is?
A) Sometimes
Q23: Strain (ε) is defined as?
A) σ =
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Q25: Linear materials operate according to Hooke's Law,
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Q27: The term 'hysteresis' refers to?
A) The differences
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