Inclined planes-An inclined plane is a simple ramp.

As an inclined plane increases in length, the amount of force decreases.

Increases the distance the object moves

Height of an inclined plane effects the force needed

Steeper inclined planes require more force therefore it requires less force over a longer distance

Pulleys:

Single fixed pulley

Changes the direction of the effort force

No mechanical advantage

Effort force=the load force

Single movable pulley

Reduces the force in half

Mechanical advantage is 2

Increases the distance the rope is pulled

A pulley system is a rope attached to a wheel and a load.

As the length of the pulley system increases, the amount of force decreases.

Inclined Planes and Pulleys