| 1. | A free body diagram is not meant to be a scaled drawing.
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| 2. | Free body diagrams may not represent an entire physical body.
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| 3. | Note that figure 1 and 2 are not yet free body diagrams.
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| 4. | It is analogous to the classical mechanics concept of the free body diagram.
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| 5. | So picture a free body diagram of the cylinder.
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| 6. | In a completed free body diagram, the free body would be shown with forces acting on it.
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| 7. | The free body diagram on the right is for a projectile that experiences air resistance and the effects of gravity.
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| 8. | A free body diagram is constructed and the relevant relationships of force and velocity are formulated using techniques from continuum mechanics.
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| 9. | Or, in a free body diagram, one may similarly infer a sense of orientation by the forces or other vectors represented.
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| 10. | The second drawing is the loading diagram with the reaction values given without the calculations shown or what most people call a free body diagram.
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