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Static Equilibrium, Reactions, and Supports
The document discusses statics, the branch of mechanics focused on analyzing forces and torques on physical systems in static equilibrium, where relative positions do not change over time. It defines supports as interfaces between structures and explores various types of supports, emphasizing their role in transferring loads and maintaining stability. Additionally, it explains the concept of indeterminate structures, where unknown forces exceed equilibrium equations, highlighting that most real-world structures are statically indeterminate.
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Static Equilibrium, Reactions, and Supports
- 1. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Static Equilibrium, Reactions, andStatic Equilibrium, Reactions, and SupportsSupports Mohammad TawfikMohammad Tawfik University of Science andUniversity of Science and TechnologyTechnology Zewail CityZewail City
- 2. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What is Statics? What is Equilibrium?
- 3. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com According to WikiPedia ● Statics is the branch of mechanicsbranch of mechanics that is concerned with the analysis of loadsanalysis of loads (force and torque, or "moment") on physical systems in static equilibriumin static equilibrium, that is, in a state where the relative positions of subsystems do notdo not vary over timevary over time, or where components and structures are at a constant velocityconstant velocity. ● When in static equilibrium, the system is either at rest, or its center of mass moves at constant velocity.
- 4. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What is a support?
- 5. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What supports the child? What supports the beam? What supports the man and woman?
- 6. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What supports the toy?
- 7. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What supports the bridge? What supports the cables? What supports the columns?
- 8. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What supports the mass? What supports the forearm? What supports the whole arm?
- 9. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com So, what is a support? ● We can define it as the interface between two tructures!
- 10. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What are the types of supports?
- 11. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 12. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 13. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
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- 15. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Fixed Support
- 16. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Fixed!
- 17. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Fixed Support
- 18. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 19. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 20. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 21. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Ball & Socket or Cable?
- 22. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Cable Support
- 23. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Ball Support
- 24. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Roller Support
- 25. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Roller
- 26. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Roller Support
- 27. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Pinned
- 28. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Pinned
- 29. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Universal Coupling
- 30. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Universal Coupling
- 31. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Bearing
- 32. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Bearing
- 33. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Bearing
- 34. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Bearing
- 35. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 36. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Each motion prevented by a support, is associated with a force or a moment that is created inside that support!
- 37. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Why do we need to determine the reactions in a support?
- 38. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com A support is another structure!A support is another structure! OROR Transfers loads to another!Transfers loads to another!
- 39. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Write and Solve equations of static-equilibrium for a rigid body!
- 40. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 41. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com
- 42. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com What is an Indeterminate Structure?
- 43. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com When the number of unknown forces is more than the number of equations of equilibrium!
- 44. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com In real life, almost, all structures are statically indeterminate!
- 45. Static Equilibrium, Reactions,and Supports Mohammad Tawfik #WikiCourses http://WikiCourses.WikiSpaces.com Cheer up :)