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an instrument that makes work/life easier
- the work is the movement, not the actual assignment
- anything that u are using something o help u or aid the process, that device is a machine, because it is making that work easier |
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| Effort force (a put or a pull that resuls in movement usually |
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| Force multiplied by distance |
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| the resistance i feel when i try to lift something. u have to make ur work input greater than the work output to move something |
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| the closer the work input is to work output, the more efficient the work is |
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| a liquid that helps cut back on friction |
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Mechanical Advantage- how much does the machine help me, how much force is gained
EX:
- Electrical pencil sharpener has a greater Mechanical Advantage than the hand starpener
- The machine that has more force, and is helping u more, has the greater advantage |
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WORK=ENERGY
Anytime that work is done, you are transferring the energy you have when you do work, onto the thing that you are doing work on |
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| stored energy in an object. If Mrs. ridler benchpresses someone, then that person has been given stored energy |
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| the force that needs to be overcome to be able to do work |
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