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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 |