Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that helps to reduce the amount of force required to do work.

Front

What is a screw?

Back

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

Front

What is a pulley?

Back

A pulley is a grooved wheel with a rope running along the groove, used to lift heavy objects.

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.

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 an inclined plane?

Back

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

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, used to move or lift loads.

Front

How does a pulley help in lifting objects?

Back

A pulley changes the direction of the force needed to lift an object, making it easier to lift heavy loads.

Front

What is the purpose of a lever?

Back

The purpose of a lever is to amplify force, allowing a small input force to lift a larger load.

Front

Can you give an example of a wedge?

Back

An example of a wedge is a knife, which is used to cut through materials.