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Solving Free Body Diagrams Homework
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[QUOTE="SteamKing, post: 4551682, member: 301881"] In the future, please post only one problem per thread. Problem 1.: At point E, you have a roller in contact with the sloped surface. What kind of forces can a solid roller support? For a distributed load, you obviously have to have some kind of load distribution value in units of force/length. The diagram is telling you the distributed load starts at 400 N/m at the left end and increases linearly until the load is 800 N/m at the right end. To determine reactions, distributed loads can be replaced by equivalent point loads acting through the centroid of the load distribution. Problem 2: Neither the bar nor the platform are fixed. Read the problem statement carefully, "A man ... attempts to hold himself using one of the two methods shown." The platform is attached to the two sheaves and the sheaves in turn have a line attached to the ceiling and the bar. The man holds the bar so that the line will not slip out of the sheave, sending him and the platform to the ground (not shown). [/QUOTE]
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