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3 cards from this section. Quick, good the night before a test.
What is an axial force?
Think about forces that either stretch or compress a material.
Define shear force in a beam.
Consider how loads are applied vertically to a beam.
What is the first step in determining internal forces in a beam?
Think of establishing a balance first.
True or False: The bending moment at the ends of a simply supported beam is always zero.
Consider the definition of simply supported versus fixed ends.
Given a beam subject to a triangular load distribution, determine the shear and bending moment at the midpoint, identifying critical points.
Remember to find points where shear changes sign to locate maximum bending moment.
A cantilever beam is fixed at one end with various point loads applied. Analyze the bending moment diagram and find the maximum moment.
Look for locations where loads directly influence the bending moment.
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