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Statics – no motion

University of Arizona J. H. Burge 1 static Equilibrium static Equilibrium Definition: When forces acting on an object which is at rest are balanced, then the object is in a state of static equilibrium. - No translations - No rotations In a state of static equilibrium, the resultant of the forces and moments equals zero. That is, the vector sum of the forces and moments adds to zero. University of Arizona J. H. Burge 2 Tolerances for optics are very tight. We need to support them so they are accurately located. If forces are applied, we want to determine: motion Distortion In order to do this, we need to evaluate the system, including the applied forces and the reaction forces.

Aug 12, 2016 · Solving Statics problems . Determine reaction forces for static equilibrium. 1.Draw Free Body Diagram Decide if the problem is solvable . a. How many unknowns? b.How many equations can you write? 2.Write equations to sum forces and moments to be 0 a. Use reaction forces as unknowns

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