shortened simple machines
About this set
Created by:
nicolenilsen on January 28, 2011
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Description:
shortened version of simple machines test for students @ TBS
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11 terms
English | Photos |
|---|---|
 Gravity |  a force that pulls objects toward the center of the Earth. |
| Speed |  a measure of how fast an object is moving. |
| Friction | The force caused by one object rubbing against another that can produce heat.A tool that makes it easier to do work by reducing the amount of effort required. |
| Force | A push or a pull. |
| Machine |  A tool that makes it easier to do work by reducing the amount of effort required. |
| A soccer player kicking a ball into a goal | is an example of WORK. |
| Simple Machines | are useful because they let us do the same amount of work with less EFFORT. |
| Wedges | Examples of wedges are: pins, knives, and chisels. |
| work | is calculated by multiplying: energy x effort. |
| Rolling an object on wheels requires less force than dragging the object because... | The wheels reduce friction. |
| Examples of simple machines | lever, screw, inclined plane, wedge, wheel and axel, pulley. |
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