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blue chpt 6
Simple Machines
| Question | Answer |
|---|---|
| a rod that goes through a wheel, used to turn things | axle |
| a long bar that sits on a fulcrum, used to lift things | lever |
| a machine with a wheel and a rope, used to raise and lower | pulley |
| something that makes work easier | machine |
| the energy used to do work | effort |
| the fixed point of a lever | fulcrum |
| an object to be lifted or moved | load |
| pushing or pulling | force |