A simple machine is anything that helps you to perform your work more easily when you apply force on it.
How do simple machines help you?
There are many ways that simple machines help you everyday. Simple machines allow you to use a smaller force to overcome a larger force. Simple machines also help you change the direction of the force or work with a faster speed. You probably never think about how simple machines make your daily life easier, but they do.
What is a complex machine?
A complex machine is a machine made up of at least two simple machines. Think about an automobile. It is made up of gears, pulleys and levers. A bicycle is a complex machine made of gears and sprockets or wedges. What simple machines can you identify in a pencil sharpener?
A roller coaster and typewriter are other examples of complex machines that are composed of two or more simple machines. A lawn mower, food mixer, and power tools are more complex machines we use in our daily lives.
(Assignment #1) Using the resources listed below, investigate the six basic simple machines to complete the Simple Machine Matrix provided by your teacher. Don't forget to use the Back button on your web browser to return to this site.