Types of Pulleys

Denzel is helping his father in the garage and comes across a tool. His father explains that it's a pulley. How would you describe a pulley to Denzel?

• It's the shaft or rod on which a wheel turns

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

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

• It's a push or pull that makes an object move

During a science project, Cathy and Evie used a ___________ pulley to lift a heavy box, which is a type of pulley that moves with the load.

Dayton is helping his father in the garage. They are using a _________ pulley to lift a heavy engine block, which is a pulley attached to something that does not move.

Tags

NGSS.MS-ETS1-1

During a science project, Hailey and Dayton built a _____________ pulley using a combination of both fixed and moveable pulleys.

Tags

NGSS.MS-PS2-1

Dayton and Cedar are helping their friend Cathy move into her new apartment. They found a pulley in the moving truck. Choose all the reasons they would use a pulley...

• It makes lifting Cathy's heavy furniture easier

• They can tie things with it

• It reduces the effort to move Cathy's belongings up to her apartment

• There is no reason.

Tags

NGSS.MS-ETS1-1

Evie, Cathy, Cedar, Dayton, and Allayah are on a field trip to a science museum. They see various exhibits and are asked to identify the pulleys. Which of these are examples of pulleys they might have seen?

• The rollers Egyptians used to move blocks in an ancient civilization exhibit

• The gear they're attached to on a Zipline in the adventure park exhibit

• Cranes that lift heavy things in the construction exhibit

• The wheels on a car in the transportation exhibit

• The mechanism used to raise flags on a flag pole in the maritime exhibit

Hailey and Jerod are helping their dad in the garage. They found a pulley system and their dad asked, 'What type of pulley is this?'

• Fixed

• Moveable

• Compound

• Not a Pulley

Hailey, Keyshawn, Dayton, Cathy, and Jerod are working on a science project. They have a pulley system in place. They are unsure about the type of pulley they are using. Can you help them identify it?

• Fixed

• Moveable

• Compound

• Not a Pulley

Keyshawn and Hailey are working on a science project. They have a pulley system set up and Hailey asks Keyshawn, 'What type of pulley is this we are using in our project?'

• Fixed

• Moveable

• Compound

• Not a Pulley

Denzel and Hailey are helping their friend Cedar to set up a stage for a school play. They found a pulley to lift the heavy curtains. What type of pulley are they using if it is attached to the ceiling and doesn't move?

• Fixed

• Moveable

• Compound

• Not a Pulley