Simple machine

Pulley Formula            Inclined plane formula                Wedge formula

MA=2n                                 Ma=L/H                                              MA= L/W

Screw Formula MA=2(Pie)r/P

1st and 2nd class Lever formula
MA=D1/D2
3rd class lever formula
MA=D1(effort arm)/D2(load arm)

Wheel and Axel formula
MA=wheel radius/axel radius

Comment Stream