10 Questions
What property of a material does Young's Modulus (E) represent?
Stiffness
Which formula is used to predict the critical buckling load of a slender column?
Euler's Buckling Formula
What is the measure of deformation in a material relative to its original size?
Strain
What is the internal resistance of a material to deformation typically measured in force per unit area?
Stress
Which method for solving equilibrium problems considers the virtual displacement of a structure?
Virtual Work
What is the difference between ultimate strength and yield strength?
Ultimate strength is the maximum stress a material can withstand before failure, while yield strength is the stress at which a material undergoes a specified amount of plastic deformation.
Which term describes the ability of a material to absorb energy elastically up to the elastic limit?
Modulus of Resilience
What is the primary difference between ductility and brittleness?
Ductility refers to the ability of a material to undergo significant plastic deformation before rupture, while brittleness is the tendency of a material to fracture without significant plastic deformation.
What does Hooke's Law describe?
The linear relationship between stress and strain in the elastic region of a material.
What is meant by the factor of safety in engineering design?
A numerical factor by which the design stress is reduced to ensure the safety of a structure or component.
Test your knowledge of basic concepts in mechanical engineering, including bending moment, virtual work, Euler's buckling formula, axial load, kinetic friction, and Poisson's ratio.
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