Types of Pulleys

What is a pulley?

• the shaft or rod on which a wheel turns

• a wheel with a groove in the rim in which a rope or belt moves

• an object that has mass and can be moved or lifted

• a push or pull that makes an object move

A ___________ pulley is a pulley that moves with the load

Tags

NGSS.MS-ETS1-2

A _________ pulley is a pulley attached to something that does not move

A _____________ pulley has a combination of both fixed and moveable pulleys

Choose all the reasons we would use a pulley...

• It makes lifting things easier

• We can tie things with it

• It reduces the effort to move something

• There is no reason.

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which of these are examples pf pulleys?

• The rollers Egyptians used to move blocks

• What you're attached to on a Zipline

• Cranes that lift heavy things

• The wheels on a car

• What we use to raise flags on a flag pole

Tags

NGSS.MS-ETS1-2

What type of pulley is this?

• Fixed

• Moveable

• Compound

• Not a Pulley

What type of pulley is this?

• Fixed

• Moveable

• Compound

• Not a Pulley

What type of pulley is this?

• Fixed

• Moveable

• Compound

• Not a Pulley

What type of pulley is this?

• Fixed

• Moveable

• Compound

• Not a Pulley