DEFINE COMPLEX MACHINE
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Definition of a Complex Machine
Look around you, and you are sure to find examples of complex machines at work. Just look at your stapler on your desk. That's a complicated machine. Why? Because the definition of a complex machine is a machine made up of two or more simple machines that make your work easier to do.
Take your stapler. Doesn't this complex machine make your work of stapling a few pieces of paper together easier? Can you imagine stapling them together without the use of a stapler? You'd be standing there with a little piece of wire and a hammer and trying to hammer the wire through your pieces of paper. Doesn't sound so easy, does it? Looking at it this way, your little stapler now seems like a pretty mighty too
it is a machine made up of 2 or more simple machines that make your work easier to do .....there are 6 simple machines from which all complex machines are made.........
examples are bicycle.....wheel narrow....crane.....lawn mover....car jack...etc...