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Physics2
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Term | Definition |
---|---|
Newton's 2nd law | F=ma. |
Newton's 3rd law | Every action has an equal and opposite reaction. |
Force | A push or pull that causes an object to start moving, stop moving, or change direction. |
Unbalanced force | When 2 or more forces are action on an object with unequal force. |
Inertia | The resistance of an object to change. |
Contact force | A force exerted between 2 objects by touching. |
Newton's 1st law | An object at rest stays at rest, while an object in motion stays in motion (at a constant velocity) unless acted on by an outside unbalanced force. |
Balanced force | When 2 or more forces are are action on an object at equal force. |
Friction | A force created by 2 or more object rubbing against each other. It resists motion. |
Magnetic force | An attraction created by electrically charged particles. |
Gravity | A force of attraction between 2 masses. |