SIMPLE MACHINES

SCREW

• A screw is a inclined planed wrapped around a cylinder and turned around
• Examples
• A screw on a jar lid when you screw and unscrew the top of a jar
• A working screw when you hammer a screw in an object

WEDGE

• A wedge are two inclined planes put together it has a thick and a thin end
• The blade of an apple peeler is a wedge
• A knife is also a wedge because of the blade

WHEEL AND AXLE

• A wheel and axle is a wheel attached to a shaft of axle
• The pedal of a bike is a wheel and axle
• The part of a flag pole were you pull the rope

INCLINED PLANE

• A inclined plane is slopping surface
• A ramp is used to help a person in a wheelchair in a building
• A inclined plane is also used to load packages on a truck

LEVER

• A lever is a solid bar that rotates or turns around a fixed point
• The body of a knife is a lever
• A light switch is a example of a lever

PULLEY

• A pulley is a grooved rim and a rope or cable that is in the rim
• A fishing rod is a pulley because when you turn the knob that rope goes up
• A elevator is also a pulley a very strong rope is used to pull the elevator up