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Chapter sixteen voc.
Chapter 16 vocabulary quiz:Friday,January 20th.
| Question | Answer |
|---|---|
| The speed and direction of a moving object. | Velocity |
| A push or pull. | Force |
| The combination of all the forces acting on an object. | Net force |
| Two or more forces exerted on an object. | Balanced forces |
| Two or more forces acting on an object that doesn't cancel,and cause the object to accelerate. | Unbalanced forces |
| Describes how an object moves when the net force acting on it is zero. The object remains at rest,or if the object is already moving,continues to move in a straight line with constant speed. | Newton's first law of motion |
| The force that brings nearly everything to a stop. | Friction |
| The change in velocity divided by the time over which the change occured. | Acceleration |
| Connects force,acceleration,and mass. | Newton's second law of motion |
| The gravitational force on any object near Earth's surface. | Weight |
| The point in an object that moves as if all the object's mass were concentrated at that point. | Center of mass |
| Forces always act in an equal but opposite pairs. | Newton's third law of motion |
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kmangu8393
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