Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that makes work easier by allowing us to apply force in a more effective way.

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

How does a lever work?

Back

A lever consists of a rigid bar that pivots around a point called the fulcrum, allowing us to lift or move loads with less effort.

Front

What is a pulley?

Back

A pulley is a simple machine that uses a wheel and a rope to change the direction of a force, making it easier to lift heavy objects.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle, allowing objects to be raised or lowered with less effort.

Front

What is a wedge?

Back

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

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

How do pulleys make work easier?

Back

Pulleys make work easier by changing the direction of a force.

Front

What happens when you move the fulcrum of a lever closer to the load?

Back

Moving the fulcrum closer to the load makes it easier to lift the load.

Front

What type of simple machine is a seesaw?

Back

A seesaw is a type of lever.