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3 cards from this section. Quick, good the night before a test.
What is a beam?
Think about horizontal support in buildings.
What does uniform load mean?
Consider how weight is spread on a shelf.
What is the main purpose of internal shear forces in a beam?
Think about what keeps a building standing.
A cantilever column is supported at both ends. True or False?
Visualize how it is supported.
A structure has three beams each supported by cantilevers and they are loaded differently. Calculate the resultant load on the central beam if each side carries a different load of 1.2 k/ft and 2 k/ft on the left and right respectively.
Add up the loads acting on the central beam.
If the maximum moment at a simply supported beam is 1000 k.ft, what would the corresponding shear at the beam ends near support? Consider symmetric loading.
Think about the relationship between load, moment, and shear.
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