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15 Cards in this Set
- Front
- Back
________________ equal distance divided by time. |
Speed |
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When you know both the speed and the direction in which an object is travelling, you know the |
velocity |
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The steepness of a line on a graph is called the |
slope |
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The rate at which velocity changes is called |
acceleration |
|
The SI unit of acceleration is |
meters per squared second (m/s2) |
|
On a graph showing distance versus time, a horizontal line represents an object that is |
moving at a constant speed. |
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The International System of Units is used by Scientists |
all over the world. |
|
An object that is changing direction is an example of |
acceleration |
|
A ball being caught is an example of |
deceleration |
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The SI unit for length is the |
meter |
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If a car is speeding up, its initial speed is _______ than its final speed. |
less |
|
If you know a car traveled 300 km in 3 hours, you can find its |
average speed |
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If two lines appear on the same motion graph, the line with the steeper ______________ indicates a greater speed. |
slope |
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Motion is relative to a |
reference point |
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The rate at which an object is moving at that instant is its |
instantaneous speed |