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.

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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 a lever?

Back

A lever is a simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum. It is used to lift or move loads.

Front

What is a pulley?

Back

A pulley is a simple machine that consists of a wheel on an axle or shaft 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 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 screw?

Back

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

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

How does a crane use pulleys?

Back

A crane uses pulleys to lift heavy loads by changing the direction of the force applied, making it easier to move the load vertically.

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.