Simple Machines

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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.

Tags

NGSS.MS-PS2-2

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.

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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.

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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.

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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.

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What is a wedge?

Back

A wedge is a simple machine that is used to split, cut, or divide objects. It consists of two inclined planes joined back to back.

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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.

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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.

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How do compound machines work?

Back

Compound machines consist of two or more simple machines working together to make work easier and increase mechanical advantage.

Tags

NGSS.MS-PS2-1

Front

What simple machines are used in a corkscrew?

Back

A corkscrew uses a screw and a lever.