Simple machines are tools that help people work easier.
Wedge - a wedge are used to cut
Pulley - a pulley lifts up heavy objects from a low level to a higher level.
Screw - a screw fixes a loose object make it into a stable object.
Inclined plane - a inclined plane is basicly a ramp that makes heavy moving objects go up like a wheelchair.
Lever - a lever is lifting up a heavy object by providing power or using a stick or something that is long.
Wheel and axle - a wheel and axle is used to move around easily but needs force to push.
These machines are very interesting because they help other people work faster and easier.
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