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What does a simple machine can do?
How do you get a job done ?
Load?
What are force multipliers?
How to speed up things
What are speed multipliers?
Lever?
What is a pivot or fulcrum?
What does most levers do?
an example of the use of levers
in the hammer and nail situation, which one is load and lever?
how many class can levers be grouped?
First-class levers.
first lever class
mechanical advantage equation
an example of first class levers
second lever classes
an example of second class lever
other examples
third class levers
an example of third class levers
other examples
what does scissors categorized as?
what does golf club categorized as?
what does wheelbarrow categorized as?
