Introduction to Equilibrium
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Video Lecture 18 of 83
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### Lecture Description

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The objectives of this video are to briefly discuss about equilibrium and relate equilibrium concepts to finding reaction forces. Basically equilibrium refers to analysis of forces subjected to an object at rest conditions. In this tutorial, the video firstly talks about the equilibrium of static condition and wanted to explain the equilibrium of dynamic condition afterward. Moving on, the video introduces with a diagram of coffee table having a box over it & subsequently discusses about the equilibrium of this condition.

The video vividly shows how the gravity force of the box and the reaction of the table balance each other following the Newton’s 3rd law of motion. Later, the video introduces with another condition where it has shown that a car is travelling over an inclined surface. Subsequently, the video explains the equilibrium of the gravity force, friction force and reactions forces subjected to the car when it is travelling. Overall, the video tries to give a brief inside about static and dynamic equilibrium.

### Course Description

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.