Statics Chapter 6 SubChapter 66 Frames and Machines

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Statics • Chapter 6.6 • Frames Machines • (OMG it is them Machines!!) • We cover how to solve problems for frames and machines, especially how to draw the free body diagram for different types of frames and machines. • The objective for this section, Students will be able to: • a) Draw the free body diagram of a frame or machine and its members. • b) Determine the forces acting at the joints and supports of a frame or machine. • Among the items that will be covered: • What are frames and machines, the definitions • Steps for analyzing frames and machines • Identifying two force members • drawing free body diagrams • equation of equilibrium • Examples of problem solving for frames and machines problems • Various examples of different frames and machines, and how to draw their free body diagrams • Frames and Machines problems are always quite interesting in the final exam, as many students seems to be quite intimidated by such problems. Just by looking at the diagram of the structure, is enough to send shiver into the students' spines and enough to make them concede defeat and not even attempting to answer the question. • In this lecture I would like to illustrate to the student that these questions are not as difficult as they may think. Sometimes the solution is so simple that it sometimes shocks the students. The thing is, if you never tried and attempted such question prior to the exam, you will never realize that it is much easier that it seems. The structure that seems complex will continue to intimidate you, perhaps due to fear of the unknown. • Well, if you are taking engineering course, you shouldn't actually let some diagram of simple frames or machines to intimidate you, right? • One significant step is to be able to draw the free body diagram. If you are able to correctly draw the free body diagram, then half of the battle is already won. What is left is just equation of equilibrium and solving the equations. Well, sometimes simultaneous equation can happen, but that is just part of life, I guess. • If you are searching for frames and machines statics, this is the video for you. Hopefully it helps =) • • Playlist for Statics Lecture Videos as well as Tutorial Videos: • • STATICS - Lecture Tutorial for Flip... • Lecture Slides for the Lecture Videos: • https://drive.google.com/drive/folder... • --------------------------- • Statics is the branch of mechanics that is concerned with the analysis of loads (force and torque, or moment ) acting on physical systems that do not experience an acceleration (a=0), but rather, are in static equilibrium with their environment. When in static equilibrium, the acceleration of the system is zero and the system is either at rest, or its center of mass moves at constant velocity.

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