Term
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Definition
| A machine is a device with which you can do work in a way that is easier or more effective. |
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Term
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Definition
| The force you exert on the machine called input force. |
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Term
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Definition
| The force exerted by the machine called the output force. |
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Term
| the formular of mechanical advantage |
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Definition
| mechanical advantage= Output force over Input force |
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Term
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Definition
| finding the ratio of output force to input force to gives you the mechanical advantage of a machine. |
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Term
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Definition
| The efficiency of the machine compares the output work to the input work. |
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Term
| The formular of efficiency |
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Definition
| Efficiency= Output work over input work x 100% |
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Term
| Actual mechanical advantage |
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Definition
| The mechanical advantage that a machine provides in a real situation is called actual mechanical advantage. |
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Term
| ideal mechanical advantage |
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Definition
| The ideal mechanical advantage is called the mechanical advantage of a machine with friction. |
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Term
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Definition
| A machine makes work easier by changing the amount of force you exert the distance over which you exert your force, or the direction in which you exert your force. |
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