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10 Cards in this Set

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