Static equilibrium examples
Definition of static equilibrium in Physics.
To investigate the conditions of equilibrium of a rigid body; to look at several different static examples. INTRODUCTION: In order for a body to be in a state of static equilibrium, the following must be true: (1) The vector sum of all the forces acting on the body must be zero. (2) The vector sum of all the torques about any axis must be zero.
[DOC File]Equilibrium of a Rigid Body
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CHAPTER 9: Static Equilibrium; Elasticity and Fracture. ... Some examples are: a) A compact disk in a player as it comes up to speed, after just being put in the player. b) A hard drive on a computer when the computer is first turned on. c) A window fan immediately after the power to it has been shut off. 8. The mass of the meter stick is equal ...
[DOC File]College of Engineering | University of Nebraska–Lincoln
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Static Equilibrium (F = 0 = -F1 + F2 – F3 + F4 Internal Forces PAB = F1 (Tension) PBC = F1 – F2 (Tension) PCD = F1 – F2 + F3 (Tension) Deformation. δAD = δAB + δBC + δCD = + + Since the P’s were assumed in tension, negative values will indicate compression and contraction for the deformation rather than elongation. Thermal Deformation
[DOCX File]Activity 1.1.2 Simple Machines Practice Problems
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8. Give two everyday examples of objects that are not in static equilibrium. 9. Give two everyday examples of objects that are in static equilibrium. Conceptual Exercise #4. Suppose the person in example 11-3 climbs higher on the ladder. As a result, is the ladder more likely, less likely, or equally likely to slip? Explain. Problems #5, 19,20 ...
[DOC File]MECHANICS OF MATERIALS REVIEW - Missouri S&T
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The analysis in the last five sections of the chapter is more demanding, but the examples are more detailed. Section 13.4 examines repeated games, and it will be important to discuss the role of rationality in the achievement of an equilibrium in both finite- and infinite-horizon games.
[DOC File]Statics—the investigation of forces
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Static equilibrium requires: (M = 0 requires that the centers of gravity and buoyancy coincide, i.e., C = G and body is neutrally stable. If C is above G, then the body is stable (righting moment when heeled) If G is above C, then the body is unstable (heeling moment when heeled) Floating Bodies
[DOC File]3 - University of Iowa
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Chemical equilibrium is different from static equilibrium because it is dynamic. In a dynamic equilibrium, there is no net change in the system. Two opposite changes occur at the same time. In equilibrium, an atom may change from being part of the products to part of the reactants many times.
[DOC File]CHAPTER 9: Static Equilibrium; Elasticity and Fracture
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A. Two conditions for static equilibrium: 1. Note: Visualize all the forces on a body by creating a. free-body diagram —a picture which shows all the external and reactive forces on the body. The following sketches are free-body diagrams. 1. On an object, . And, since force is …
[DOC File]Chapter 11
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Additional Examples. Basic Equilibrium Problems. In a typical problem, structural geometry and some external forces are given. One has to find unknown forces using Equilibrium Equations. A technique to account for all forces is body isolation or construction of Free …
[DOC File]Chemistry Chapter 14 Notes
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A first class lever in static equilibrium has a 50-lb resistance force and 15-lb effort force. The lever’s effort force is located 4 ft from the fulcrum. Sketch and annotate the lever system described above.
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