Motion 2
About this set
Created by:
Spieringsk on February 6, 2012
Subjects:
Description:
Physical Science
Spierings, RHS
Spring 2012
Classes:
CP - Physical Science 12-13, Physical Science
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11 terms
Terms | Definitions |
|---|---|
 Weight | the quantity of heaviness, taking into account gravity |
| Mass | measure of how much matter is in an object |
| Force | strength put on an object; has direction (is a vector quantity); measured as newtons |
| Friction | the resistance of one surface has on another object or surface |
| Gravity | force on an object to tend to fall towards the center of the earth |
| Newton | a unit to measure force; equals: 1kg * m/s2 |
| Inertia | a characteristic of matter which states the object will continue in its existing state of rest or motion unless an outside force acts on it (Latin word means lazy) |
| Negative Acceleration | when acceleration is in a direction opposite to the velocity or in the direction of the negative axis on the velocity vs. time graph |
| Positive Acceleration | when the velocity vs. time graph has a positive slope; velocity is increasing |
| Instantaneous Speed | the speed at a given moment (ex: a car's speedometer) |
| Average Speed | calculated using the total distance traveled and the total time traveled Web to show the difference between instantaneous &average speed: http://bit.ly/zOeFBY |
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