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Science 2
Newtons Law Vocabulary Quiz
| Term | Definition |
|---|---|
| Inertia | The property of a body by which it remains at rest or continues moving in a straight line unless acted upon by a directional force. |
| Newton | An SI unit of force equivalent to the force that produces an acceleration of one meter per second on a mass of one kilogram. |
| Reaction | An equal but opposite force exerted by a body when a force acts upon it. |
| Newton’s First Law | An object will keep doing whatever it is doing, whether it is sitting still or moving, unless the forces acting on it become unbalanced. |
| Newton’s Second Law | If you place force on an object it will accelerate. |
| Newton’s Third Law | When one object exerts a force on a second object, the second object exerts a force back that is equal, but in the opposite direction. |
| Balanced Force | When the net force of an object IS zero. There is NO change in the motion of the object. The object is either motionless or maintaining a constant speed |
| Unbalanced Force | When the net force of an object is GREATER than zero. There WILL be a change in the motion of the object. A motionless object will begin to move, while an object already moving will change its speed or direction. |
| Force | A push or pull acting on an object. |
| Friction | A force that opposes motion between two surfaces that are touching. |
| Gravity | A force of attraction between two masses. |
| Magnetic Force | Force of attraction or repulsion exerted by a magnet. |
Created by:
Coco pannell
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