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Unformatted text preview: = + C ) F x r ( ME 221 Lecture 24 6 Equilibrium Equations If there are more than 6 unknown forces or couples, the problem is statically indeterminate. ME 221 Lecture 24 7 Solving Equilibrium Equations Draw a proper free body diagram Write each force and couple as a vector Draw position vectors from the origin to the line of action of each force Write the vector equations of static equilibrium 6 equations, 6 unknowns ME 221 Lecture 24 8 Statically Indeterminate Reactions Underconstrained system Cannot maintain equilibrium Overconstrained systems More unknown forces than equations ME 221 Lecture 24 9 Equilibrium Example Problems...
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This note was uploaded on 07/25/2008 for the course ME 221 taught by Professor Buch during the Summer '08 term at Michigan State University.
 Summer '08
 Buch
 Statics

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