2. •This is an inclined plane
•It is helping him push the boxes into the truck
•All ramps are inclined planes
3. •This a lever
• The real world example is a sees saw
•It ia a lever because it has a fulcrom
•A fulcrom is the piece in the middle that keeps it balanced
4. •This is a pulley
•A pulley is a wheel that ususally has a groove around the outside edge
•The real world example is the top of a flag pole
•It helps pull the flag go up and down
5. •This is a screw
•A screw is an inclined plane wrapped around a shaft or a cylinder
•The real world example is the bottom of a light bulb
•It scews the light into it’s socket
6. •This is a wedge
•A wedge is two inclined planes joined back to back
•The real world example is a door stoper
•It helps stop the door and keep it open
7. •This is a wheel and axle
•The real world example is a ferris wheel
•It makes it fun at carnivals, festivals and etc.
•It’s job is to roll or spin