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newtons laws vocab..
forces and motion
| Question | Answer |
|---|---|
| weight | force of gravity |
| normal force | surface pushing back |
| friction | restistance force |
| applied force | force you exert |
| tension | applied through a rope or chain |
| net force | total vector sum of all forces |
| balanced forces | equal and opposite |
| unbalanced forces | not equal and opposite |
| Newton's first law | INERTIA an object at rest will stay at rest, and an object in motion will stay in motion at constant velocity |
| Newton's second law | Fnet = ma If an unbalanced force acts on a mass, that mass will accelerate in the in the direction of the force |
| Newton's third law | Action-Reaction. For every action force there is an equal and opposite reaction force |