Term
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Definition
| The rate at which velocity changes |
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Term
Velocity has two components name them. |
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Definition
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Term
Acceleration refers to increasing ______________ , decreasing _______________ or changing ___________. |
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Definition
| Acceleration refers to increasing speed, decreasing speed, changing direction |
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Term
| Any time the speed of an object ____________, the obect experiences __________________. |
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Definition
| Any time the speed of an object changes, the object experiences acceleration. |
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Term
The change can be an _____ or a ________. |
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Definition
| The change can be an increase of a decrease. |
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Term
A decrease in speed is called a ___________________, or a negative acceleration. |
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Definition
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Term
If an object is changing direction is it accelerating? |
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Definition
Yes, even if it is moving at a constant speed. A care moving around a curve or chaning lanes at a constant speed is accelerating because it is changing direction. |
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Term
The formula for Acceleration
Accleration= Final velocity-Initial Velocity
Time
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Definition
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Term
When a graph shows speed versus time as a slanted stratight line, the acceleration is _____________. |
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Definition
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Term
When the object acclerates by different amounts each period, a grph of its accelration will _______be a straight line. |
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Definition
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Term
A grpah of distance versus ___________ for an accelerating object is curved. |
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Definition
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Term
True or False
If a train is solving down, it is accelerating. |
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Definition
True, In science, acceleration refers to increasing speed, decreasing speed, or changing directions. |
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Term
To find the acceleration of an object moving in a straight line, you must calculate the change in ______during each unit of time. |
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Definition
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Term
A ferris wheel turning at a constant speed of 5m/s is or is not accelerating. |
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Definition
is accelerating/ Any time an object is changing direction is also accelerating. |
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Term
An airplane is flying west at 200 km/h. Tow hours later, it is flying west at 300 km/h. Its average acceleration is ____km/hr |
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Definition
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Term
________occurs when the velocity of an object changes. |
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Definition
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Term
| when you say that a race car travels nothward at 100 km/h, you are talking about its ________________ |
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Definition
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Term
| ___________is a push or pull |
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Definition
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