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Re: Solution to Problem 450 | Relationship Between Load,...
http://www.mathalino.com/reviewer/mechanics-and-strength-of-materials/s…
Re: Solution to Problem 450 | Relationship Between Load,...
The shear at C is 900 as indicated in the diagram
It is from 900 and goes to zero, that is why it is downward. If the load is upward, the shear diagram will not go to zero. It will be from 900 to 1800 instead.