Term
| What were Aristotle's two classes of motion? |
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Definition
| Natural motion and violent motion. |
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Term
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Definition
| Motion that simply occurred. It was thought to be either straight up or straight down. |
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Term
| Why did an object have natural motion? |
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Definition
| An object was trying to find it's natural resting place. |
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Term
| What directions could an object move in natural motion? |
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Definition
| Straight up or straight down. |
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Term
| From what did violent motion result? |
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Definition
| A push or pull on an object. |
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Term
| What was the important thing about violent motion? |
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Definition
| It has an external cause. |
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Term
| What was the normal state of motion for all objects except celestial bodies? |
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Definition
| They don't move unless they have violent motion inflicted upon them. |
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Term
| Did Aristotle's followers believe that the Earth moved? |
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Definition
| No, they thought it was already in it's natural resting place. |
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Term
| What did Copernicus conclude from his observations of celestrial bodies? |
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Definition
| They were always moving and rotating. |
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Term
| What famous scientist supported Copernicus's theory? |
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Definition
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Term
| One of Galileo's experiments was to observe falling objects moving in the force of gravity. What did Galileo observe about falling objects? |
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Definition
| Galileo observed that force is either a push or a pull and without air resistance, all objects fall at the same rate. |
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Term
| Describe the changes in motion of a ball as it up and down inclined planes. |
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Definition
| A ball that rolls down an inclined plane will have an increased speed. A ball that is rolling up an inclined plane will have a decreased speed. A ball that is moving across a flat plane will have constant speed. |
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Term
| Galileo lead the way for what famous physicist in the study of motion? |
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Definition
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