11

Lesson 11 of 84 ยท Forces

Lesson

Levers Help Us Lift

What You'll Learn

A pulley is a wheel with a rope. It helps you lift heavy things by changing the direction of your pull.

Key Words

  • friction
  • speed

Steps

Step 1 โ€” Read

Read and learn: A pulley is a wheel with a rope. It helps you lift heavy things by changing the direction of your pull.

Step 2 โ€” Do

Sort, group, or arrange the items as shown.

Step 3 โ€” Observe

Watch carefully. What happens?

Step 4 โ€” Record

Draw and write about what you learned.

Check Your Understanding

Question 1

1 of 3

Which simple machine is a ramp?