Simple Machines

Front

What is attached to the load or object that is moving? Options: pulley, axle, wheel

Back

wheel

Front

A cylinder shape, not usually attached to the object, and usually under the object so that the load can roll across it.

Back

rollers

Front

The pivot point in a lever.

Back

fulcrum

Front

The weight or object being lifted or lowered.

Back

load

Front

The force being used to lift/lower the load.

Back

effort

Front

This class of lever:

• Fulcrum is in the middle
• Example: A scale

Back

first

Front

This class of lever: -Load is in the middle -Example: Wheel Barrel

Back

second

Front

This class of lever: - Effort is in the middle - Fulcrum is to be held

Back

third

Front

This type of pulley does not move.

Back

fixed

Front

This type of pulley, load moves with the pulley.

Back

moveable