Free-body diagram velocity vector

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SUMMARY

The discussion centers on the interpretation of free-body diagrams in physics, specifically regarding a particle on a tilted plane. Participants clarify that free-body diagrams exclusively depict forces and moments acting on a system, without including velocity or acceleration vectors. The net force indicated in the diagram correlates to acceleration, not velocity. For a comprehensive understanding, supplemental diagrams may be necessary to illustrate velocity vectors.

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  • Knowledge of Newton's laws of motion
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  • Basic principles of forces and acceleration
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alingy1
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My teacher gave me a solved problem to practice. There is a free-body diagram of a particle on a tilted plane. The resulting force points in the direction of the negative x-axis, aligned with the inclination of the plane.Am I the only one that thinks there could also be a velocity vector pointing in the positive direction? After all, the net force only represents acceleration.
 
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It would be a lot easy if you upload the free-body diagram of that plane, so we can really help you.
 
Free Body Diagrams show only the forces and moments (torques) acting on the system or parts of the system. They do not show velocity or acceleration vectors, which, if needed for clarity,, may be shown in a supplemental
diagram or at least apart from the free body diagram itself.
 

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