Saturday, February 8, 2014
Engineering Mechanics-8/2/14
| Engineering Mechanics | ||||||||
| Resultants & Components | ||||||||
| Resultant of a force system | ||||||||
| Two Methods: | ||||||||
| 1. Graphical Method | ||||||||
| 2 Algabrical Method | ||||||||
| 2 Algabrical Method | ||||||||
| 1 Mention the co-ordination | ||||||||
| 2. Evaluate the co-ordination | ||||||||
| 3. use co-ordinate for direct component. | ||||||||
| Recangular component force: | ||||||||
| Same angle for indirect or opposite component by pultiplying the original force is called rectangular component force. | ||||||||
| R=√ (ΣFx)² + (Σfy)² | ||||||||
| Q= Tanꜗ= Σfy/ΣFx | ||||||||
| Free Body. | ||||||||
| A free body diagram of a body or a group of bodie swhich is isolated from its environment & on which an external forces such as weight applied forces forces contains or reaction & friction reacting. | ||||||||
| Different steps of Free body: | ||||||||
| (1) Identify the object I want to object | ||||||||
| (2) Sketch the draw. | ||||||||
| (3)Add specific Gravity. | ||||||||
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