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10 Cards in this Set
- Front
- Back
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what is a first class lever?
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fulcrum in the middle
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what is a second class lever?
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load in the middle
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what is a third class lever?
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effort in the middle
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what is the order to remember the class of levers?
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FLE
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what are the six simple machines
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gear, pulley, incline plane, screw, wedge and wheel
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what are the 4 characteristics of a force
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push, pull, contact, non-contact
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how do you calculate the mechanical advantage?
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load over effort in newtons
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what are the gears called?
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the one that rotates is called the driver, the others are being driven.
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how do you convert weight into newtons?
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you make it into grams and times it by 10.
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what happens when forces are in balance?
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things still will stay the same (same speed or not move)
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