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The objectives of this video are to discuss about internal forces followed by a brief demonstration on axial, shear & bending. This tutorial is pretty much all about internal forces & the way we resolve internal forces when we have given external forces. Basically, internal forces represent and explain what is happening inside a member and external forces are generally transferred through members via internal forces. The video clears the concept of internal forces drawing a FBD and subsequently explains all the facts and figures in greater details.
Moving on, the video introduces with a simply supported structure subjected to a heavy load at its center which results the sagging means the structure will be pushed down. Next, the video explains how the load condition and supports reactions develops axial, shear and bending and describes the physical occurrences through schematic diagrams. Overall, the video tries to give a brief inside to axial forces, shear forces and bending moments developed in structural element when subjected to different load conditions. Don’t hesitate to contact, if you don’t understand any part of the tutorial.
Mechanics, the study of forces and physical bodies, underpins a very large proportion of all forms of engineering. A thorough understanding of mechanics is essential to any successful engineer. This course helps develop an understanding of the nature of forces with consideration for how they may be simplified in an engineering context. The conditions of equilibrium are then used to solve a number of problems in 2D and 3D before moving on to a broad range of topics including centroids, distributed loads, friction and virtual work. The course will also provide an introduction to dynamics, with a particular focus on the effects that forces have upon motion.