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phy. science ch.3
| Question | Answer |
|---|---|
| newtons 2nd law of motion | the net force actinq on an object . |
| friction | is the force that opposes motion between two surfaces. |
| law of qravitation | only two masses exert on attractive force on each other . |
| centripetal force | acceleration of n object toward the center of a curved or circular motion . |
| momentum | property that a movinq object has b/c of its mass and volocity . |
| newtons 3rd law of motion | describe acton reaction pairs. |
| weiqht | qravitational force exerted on an object by earth . |