What does a shear force diagram for a cantilever look like?

Thread starter WetFork
Start date Apr 14, 2012
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Axle Diagram Force Force diagram Shear Shear force

AI Thread Summary

A shear force diagram for a cantilever beam typically appears rectangular due to the constant shear force along the length of the beam. This is because the shear force remains unchanged until a point load is applied. In contrast, the bending moment diagram for the same cantilever will be triangular, reflecting the linear increase in bending moment from the free end to the fixed support. The relationship between shear force and bending moment diagrams is critical for understanding beam behavior. Overall, the shear force diagram is rectangular, while the bending moment diagram is triangular for a cantilever beam.

Apr 14, 2012

WetFork

I have the problem below, my question is what should the shear force diagram look like, I know its just a simple cantilever so does that mean the shear force diagram will be very rectangular looking?

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Apr 14, 2012

OldEngr63

Gold Member

Yep.

Apr 15, 2012

WetFork

Thought so, so that means the bending moment diagram is triangular is it not?

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