WEDGE

A wedge is a simple machine used to separate things, or to cut through them.

EXAMPLES:

• Knife
• Hook
• Teeth
• Nail

INCLINED PLANE

An inclined plane is a tilted surface that helps move the load.

EXAMPLES:

• Slide
• Ramp

SCREW

A screw is a cylinder with an inclined plane wrapped around it.

EXAMPLES:

• Screw on lid
• Screw

PULLEY

A pulley is a wheel with a grooved rim in which a rope can run to change the direction of the pull (force) that lifts the load.

EXAMPLES:

• Zip line
• Flag pole

WHEEL AND AXLE

Wheel and axle is a wheel helping decrease the amount of effort to turn the axle

EXAMPLES:

• Car
• Bike
• Motorcycle
• Doorknob

LEVER

A lever is used to gain a mechanical advantage such as making work easier

EXAMPLES:

• Sea saw
• Broom
• Shovel

COMPOUND MACHINE #1

WEDGE

WHEEL AND AXLE

LEVER

COMPOND MACHINE #2

WEDGE

LEVER