alleryStart learning →What may be drawn on a free-body diagram?
AOnly the forces acting on the chosen system
BOnly the acceleration of the chosen system
COnly the internal forces within the system
DForces, acceleration and velocity together
Answer & Solution
Correct answer: A. Only the forces acting on the chosen system
1. A free-body diagram shows the system of interest and all of the external forces on it.
2. Only forces are shown, never acceleration and never velocity.
3. No internal forces are shown either, since they cancel within the system.
4. The system itself is drawn as a dot with force vectors extending from it.
_Source: OpenStax College Physics (CC BY 4.0), Ch 4 "Dynamics: Force and Newton's Laws of Motion", section 4.6 Problem-Solving Strategies_
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