PULLEYS BY MAGENTA ROSE EALAM! ENJOY MY POWER POINT!

FACTS ABOUT PULLEYS? Pulleys are a Simple Machine used to help pull heavy things up & down. Pulleys are a Simple Machine used to help pull heavy things up & down. You can find Pulleys in.... You can find Pulleys in.... Bikes. Bikes. Escalators. Escalators. Elevators. Elevators. Lifts. Lifts. There might be some other things as well. There might be some other things as well.

What is a Pulley? A Pulley is something like a Wheel & Axle, but instead you can pull things up & down. A Pulley is something like a Wheel & Axle, but instead you can pull things up & down.

HOW DO PULLEYS HELP PEOPLE? Pulleys help People in many different ways! Pulleys help People in many different ways! Like say if you were working on a crane you would be using a crane to Lift something Up or to Bring something Down! Like say if you were working on a crane you would be using a crane to Lift something Up or to Bring something Down! AND if you were on an Elevator OR a Lift you would go Up & Down Up & Down a lot! AND if you were on an Elevator OR a Lift you would go Up & Down Up & Down a lot! PULLEYS ARE HARD WORK IF YOU HAVE TO PULL OR BRING THEM UP AND DOWN! PULLEYS ARE HARD WORK IF YOU HAVE TO PULL OR BRING THEM UP AND DOWN!

What is force? Force is anything that changes the speed, direction or motion of an object. Force is anything that changes the speed, direction or motion of an object.

Parts of a pulley? A pulley has a Wheel with a Groove. A pulley has a Wheel with a Groove. The Groove holds a peace of Rope or Chain that goes through a Pulley. The Groove holds a peace of Rope or Chain that goes through a Pulley. A Person pulls the Force down so that the Load goes up. A Person pulls the Force down so that the Load goes up. When a Person brings the force up the Load goes down again. When a Person brings the force up the Load goes down again.

Single Fixed Pulleys? A Single Fixed Pulley is a Pulley attached to an object. A Single Fixed Pulley is a Pulley attached to an object. This type of Pulley changes the direction a Load moves. This type of Pulley changes the direction a Load moves. A Flag pole has a Single fixed Pulley. A Flag pole has a Single fixed Pulley. Pulling down on the Rope raises the Flag. Pulling down on the Rope raises the Flag. Moving the Rope in the opposite lowers the Flag. Moving the Rope in the opposite lowers the Flag.

Moveable Pulleys? A Moveable Pulley is a Pulley that is attached to the load instead of another object. A Moveable Pulley is a Pulley that is attached to the load instead of another object. Moveable Pulleys make lifting things easier. Moveable Pulleys make lifting things easier. Moveable Pulleys often are used with Fixed Pulleys. Moveable Pulleys often are used with Fixed Pulleys. Cranes use Fixed and Moveable Pulleys to lift heavy Loads. Cranes use Fixed and Moveable Pulleys to lift heavy Loads.

Double Pulleys? A Double Pulley has two Pulleys. A Double Pulley has two Pulleys. The Rope is attached to a Fixed Pulley. The Rope is attached to a Fixed Pulley. The Rope winds around a Moveable Pulley & back over the Fixed Pulley. The Rope winds around a Moveable Pulley & back over the Fixed Pulley. Lifting a Load with a Double Pulley is twice as easy, But the Load travels only half as far. Lifting a Load with a Double Pulley is twice as easy, But the Load travels only half as far.

Counterweights? Counterweights keep the Machines from falling over. Counterweights keep the Machines from falling over. Counterweights are weights that Balances a Load. Counterweights are weights that Balances a Load.

What things are Pulleys in? Escalators. Escalators. Block & Tackle. Block & Tackle. Cranes. Cranes. Flag Poles. Flag Poles. Elevators. Elevators.

DIOGRAM OF A PULLEY?

Where to find Pulleys You will know when you have found a Pulley when you are on a Lift, Escalator, Elevator and or Crane. Do you get my point of view. I hope you do.

THANK YOU Credits For class m3 I hope you all enjoyed Watching, Waiting, Listing & Starring at my power point. CREATED BY…. MAGENTA ROSE EALAM SOUND BY…. MAGENTA ROSE EALAM MADE FOR…. M3 THANKS A LOT