Mechanical Advantage

Mechanical Advantage

By William Lovering

Pulleys

• MA = the number of supporting ropes

• Ex: The MA of 1 fixed pulley is 1.

• Ex: The MA of 2 fixed pulleys and 2 moveable pulleys is 4.

Inclined Plane

• A flat surface set at an angle used to help raise or lower objects.

• MA = length of sloped surface divided by the height of the inclined plane.