SIMPLE MACHINE

PULLEYS

• Is a wheel with a grooved rim and a rope in the groove
• Wench
• Flag pole

WEDGE

• Has a thick end and thin blade
• Axe
• Knife

LEVER

• Is a solid bar that rotates around a center point
• Wheel barrel
• Hockey stick

SCREW

• Is an inclined plane raped around a cylinder
• Bolt
• Jar lid

WHEEL AND AXLE

• Has a wheel attached to a staff
• Bike
• Door knob

INCLINED PLANE

• Is a sloping surface
• Hill
• Ramp