What can pulleys also be used to do?
Pulleys can also be used to raise and lower sails.
What makes it easier to move a heavy load.
Wheels can make it easier to move a heavy load.
What are pulleys made up of?
Pulleys are made up of a wheel and a rope / chain.
What does pulling the rope do?
Pulling the rope makes the flag go up.
What is a lever?
A lever is a bar or a rod.
What does the pulley help the worker do?
The pulley helps the worker move up and down.
What do we use pulleys and levers for?
We use them to reach things that are high and move things that are heavy.
What can a lever be pushed or pulled to do?
A lever can be pushed or pulled to move heavy objects.