Pulleys

What are two types of pulleys?

• wings, fries

• load. weight

• fixed, movable

• effort, force

A pulley is an example of a:

• Simple Machine

• Book

• Science Tool

• Test Taking Strategy

Which of the following is an example of a pulley?

• flag pole

• see saw

• jump rope

Identify the type of pulley

• fixed

• moveable

• compound (block and tackle)

Identify the type of pulley

• Fixed

• Moveable

• Compound(block and Tackle)

Tags

NGSS.MS-PS2-2

A load of 650 newtons is lifted with this pulley. What is the effort required to do this work?

• 300

• 325

• 600

• 650

Tags

NGSS.MS-PS2-4

How does a single fixed pulley, like the one seen here, help you do work?

• changes the direction of the force
• increases the amount of applied force
• decreases the amount of applied force
• allows you to pull the rope a shorter distance

A simple machine that has a grooved rim in which a rope can run to change the direction of the pull that lifts a load is called a ____________.

• inclined plane

• screw

• pulley

• lever

What is a pulley that has a wheel that is attached to something above the load?

• Mechanical pulley

• Fixed pulley

• Movable pulley

• Directional pulley

What type of advantage is when the effort needed to lift the load or overcome a resistance is reduced?

• Directional

• Mechanical