pulley

=Simple Machines:Pulleys =

media type="youtube" key="LiBcur1aqcg" height="315" width="560"

 = =
 * Wheels connected by a sustainable force
 * rope or wire travels through the wheels
 * the force of the rope being pulled lifts the load vertically
 * called pulley because the force and energy to lift the load comes from the tug of the rope or wire
 * another way it works is that the wheels start rotating and it pulls the rope or wire the opposite way which makes the energy to lift the load

media type="youtube" key="9T7tGosXM58" width="425" height="350" = =

Everday life pulleys: > = =
 * American Flag
 * Washing Machine
 * Conveyor Belt
 * Workout Machines
 * Elavator
 * Gears
 * Sails On a Sailboat
 * Crane



media type="youtube" key="I8q_V5LHj-U" width="425" height="350"



media type="youtube" key="TlPWy7qW7oM" width="425" height="350"