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Engineering Mechanics: Equilibrium of System of Coplanar Force
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Engineering Mechanics: Equilibrium of System of Coplanar Force
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25 Questions

1. Answer this:
2. Principle of transmissibility for free body diagrams is:
3. Answer this question:
4. Which of the following is correct?
5. What is not the condition for the equilibrium in three dimensional system of axis?
6. A couple moment is developed when _______ of the attached member is prevented.
7. What is a collinear system of forces for free body diagrams?
8. We first make equilibrium equations and then the free body diagram and then solve the question.
9. The couple is simplified easily by the help of right hand rule in free body diagrams. But the forces simplification is not possible as there is no such system of rules so that the forces can be simplified.
10. The supports in the 3D are having more than three reaction forces. Because they are having three axis on which the components of the forces need to be zero.
11. The couple is a scalar quantity and the force is vector quantity and hence only force can be simplified in free body diagrams.
12. What is partially constrained?
13. The improper constraining leading to instability occurs when ___________________
14. The additional equations invented in the statically indeterminacy condition is solved by __________
15. If all the reactive forces are intersecting at the common point or pass through a common axis when _____________
16. For equilibrium, the net force acting on the body is zero.
17. Answer this question:
18. ∑Fx=0, ∑Fy=0 and ∑Fz=0 are vector equations for the three dimensions. They are satisfied when the body is achieved its state of equilibrium.
19. We first make equilibrium equations of the body by considering all the three dimensional forces and then the free body diagram is made and solved.
20. When the body is in equilibrium then which of the following is true?
21. To satisfy the conditions of the equilibrium, the must not only be having a net force zero, but also be properly held or constrained on its supports.
22. The single pin, single bearing and single hinge resist _______
23. Statically indeterminacy means?
24. The system of the collinear and the parallel force in free body diagrams are simplified as _________
25. The couple and the other two force systems in free body diagrams can be easily simplified.

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