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3 cards from this section. Quick, good the night before a test.
What is a shear diagram?
Think of it as a visual representation of forces.
In which direction do we consider positive shear forces?
Recall our convention for direction.
What does a moment diagram represent?
It’s related to how much a beam bends.
True or False: Shear forces in a simply supported beam are always constant.
Consider the load distribution.
A cantilever beam is subjected to a triangular distributed load. Develop the shear and moment diagrams, detailing every step.
Remember to find the centroid of the triangle for load calculations.
Analyze a beam with multiple concentrated loads and calculate the shear and moment at the midpoint.
Take into account the distance from each load.
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