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Unformatted text preview: Biomechanics Statics Review 1. What is a force? A FORCE is caused by the action of one body on the other body. Forces are described by: Its point of application. Its magnitude. Its direction. 2. Forces are vectors which can be drawn to show direction (arrow) and magnitude (length). Scalars are quantities that are only represented by a number but not a direction (time, volume, mass). Vectors can be added by the parallelogram law: 3. Just as two vectors can be added to determine the resultant, a vector can be broken into two component vectors of which the choice is limitless. Special cases: (vector F known) (1) One component known: (2) Line of action of each components known: Magnitude of vector P&Q found by parallelogram law. 4. Breaking Down a vector in X and Y components 5. In a static system, the state of equilibrium is achieved by all resultant forces and moments being equal to zero....
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- Spring '08