Simple Machines

Lever

Mechanical advantage for ^= distance from input force to fulcrum/ distance from output force to fulcrum

1st class- see saw

2nd class- wheel barrow

3rd class- human arm

Wedge- axe

Pulley-  Bike Chain

Screw- round about

Inclined plane- ramp

Mechanical advantage for ^= length of incline/ height of incline

Wheel and Axle- train tires

Mechanical advantage for ^= radius of input/ radius of output

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