Physics Chapter 1 Force Exam Flash Cards
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Created by:
cameroncraziest on May 4, 2011
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24 terms
Terms | Definitions |
|---|---|
 Force | A push or a pull. |
| Balanced Force | Equal in size or magnitude AND Opposite in direction. |
| Unbalanced Force | Unequal in size/magnitude, OR In SAME direction, AND Causes a CHANGE in the object's motion. |
| Net Force | The combination of all the forces that act on an object |
| Gravity | The force of attraction between ALL objects. |
| Centripetal Force | Center seeking - pulls toward the center of rotation (circle). |
| Inertia | The tendency of an object to resist change in motion. |
| Friction | A force that opposes the motion of an object. |
| Static Friction | Force that must be overcome to start an object moving. |
| Sliding Friction | Solid surfaces slide over each other. |
| Rolling Friction | Object rolls over a surface. |
| Fluid Friction | Objects moving through a fluid - water, air, etc. |
| Lubricant | Materials that reduce friction. |
| Air Resistance | The frictional force that opposes the downward motion of objects falling through the atmosphere. |
| Velocity | The speed in a given direction |
| Terminal Velocity | the velocity reached when the upward force of air resistance becomes equal to the downward pull of gravity and forces becomes balanced so it doesn't go any faster than it is. |
| Weight Force | The pull of gravity on the mass of an object |
| Magnetic Force | The pull of objects to a magnet |
| Wind Force | The push on an object, such as a kite |
| Waterfall Force | Gravity pulling down on water |
| Muscle Force | The expanding and contracting of your muscle to move your body |
| Elastic Force | The force produced by any bent or stretched object |
| Vacuum | Empty space where there is no air resistance |
| Free Fall | Objects falling in a vacuum |
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