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. Examples include levers, pulleys, and inclined planes.

Front

What are the six types of simple machines?

Back

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

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 lever?

Back

A lever is a rigid bar that pivots around a fixed point called the fulcrum, used to lift or move loads.

Front

What is a pulley?

Back

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

Front

What is a wheel and axle?

Back

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

Front

What is a wedge?

Back

A wedge is a simple machine that consists of two inclined planes joined together, used to split or lift objects.

Front

What is a screw?

Back

A screw is a simple machine that consists of a spiral inclined plane wrapped around a cylinder, used to hold objects together or lift materials.

Front

What is a compound machine?

Back

A compound machine is a device that combines two or more simple machines to make work easier and increase mechanical advantage.

Front

How does a corkscrew function as a compound machine?

Back

A corkscrew uses a screw and a lever to remove corks from bottles, making the task easier.