Problem statements
Solution video - H12.A
Solution video - H12.B
DISCUSSION THREAD
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HOMEWORK 12 - SP 25
8 thoughts on “HOMEWORK 12 - SP 25”
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I found that the distributed loads quiz problem to be a very good reference for this homework. Both the quiz problem and the required homework problem require similar concepts. The video for the quiz problem explains the concepts clear and lays out an effective problem solving structure.
Hey Andrew,
On top of the quiz problem, I found the video for HW 12A helpful, as well as the questions very similar to HW12B (the required work).
Just to clarify things conceptually, are equivalent force reactions a way to represent distributed force loads at a single point?
Yes, that is the point of doing these types of problems. You are basically converting the force of the distributed load into a single magnitude. Then, you find the location at which to apply that single magnitude of force by doing a weighted sum (of the individual centroids) to find the total centroid.
Yes the equivalent force reaction is the best way to represent distributed loads because it is simple and i believe it shows where the most amount of stress is located on the structure
For this homework problem, the pin/roller joint given is not important information, correct? I am assuming that this information would only be necessary to solve for the reaction forces (after finding the magnitude/location of the single-force equivalent load).
Yes I believe that is correct. I did not use the forces at the pin or roller joint to solve for the magnitude and location of the equivalent load.
Yes you would be correct in not needing the pin/roller joint given to answer the problem. And yes you would only use that to solve for the reaction forces but they aren't asking for that so you're good.