carpentry 1-ratio and proportion mechanical advantage and percentage

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Author:
heeres
ID:
265851
Filename:
carpentry 1-ratio and proportion mechanical advantage and percentage
Updated:
2014-03-10 18:16:21
Tags:
math
Folders:
carpentry math
Description:
carpentry 1-ratio and proportion, mechanical advantage and percentage
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  1. the easiest way to compare ratios is?
    to write them as a fraction first
  2. how do you compare if ratios are =?
    cross multiply
  3. how can direct proportion ratio calculations be solved?
    cross multiply then solve for the missing term.
  4. always set up direct proportion ratios so the order is?
    the order is the same on both sides of the equal sign
  5. what is an example of an indirect proportion?
    the greater the speed the less time it takes to reach the distination
  6. a third class lever creates?
    a mechanical disadvantage
  7. what is an ex. of a class 2 lever?
    wheelbarrow
  8. what is an ex. of a class 1 lever?
    teeter totter

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