Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that changes the direction or magnitude of a force, making work easier.

Front

What are the six types of simple machines?

Back

The six types of simple machines are the lever, wheel and axle, pulley, inclined plane, wedge, and screw.

Front

How does a simple machine make work easier?

Back

A simple machine makes work easier by allowing a person to apply less force over a greater distance or by changing the direction of the force.

Front

What is a wedge?

Back

A wedge is a simple machine that is used to separate two objects or portions of an object, or to hold an object in place.

Front

What is a lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

What is a wheel and axle?

Back

A wheel and axle is a simple machine that consists of a larger wheel attached to a smaller axle, allowing for easier movement of loads.

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel on an axle or shaft that is designed to support movement and change the direction of force.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help raise or lower objects with less effort.

Front

What is a screw?

Back

A screw is a simple machine that converts rotational motion into linear motion, often used to hold objects together.

Front

What is a compound machine?

Back

A compound machine is a device that combines two or more simple machines to perform a task more efficiently.