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The objectives of this video are to clear the concept on axial, shear and bending moments followed by a brief introduction to axial, shear and bending diagram. The video starts up by quickly looking at an exemplary problem of simply supported beam subjected to a uniformly distributed load over the length of the beam. The beam is supported by a fixed support at left end and a roller support at right end as well as a force is exerted outward from the beam at right end parallel with the beam.
Moving on, the video at first step draws the free body diagram of the beam finding out the reactions force developed by the supports and converting the given UDL to a point load acting at center of the beam. Next, the video demonstrates how to draw axial force diagram from the drawn FBD and later elaborates briefly the drawing of shear force and bending moment diagrams highlighting the max shear and moment conditions. Finally, the video gives a quick summary of the lesson described in this video. Don’t hesitate to contact, if you don’t understand any part of this 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.