Types of Machines

In this lesson we learned about several types of machines

The Simple and The Compound Machines


The simple Machines are the most basic like:

• the inclined plane
• the lever
• pulleys
• wedges and screws

The Inclined Plane

Is used to lif to objects by sliding or rolling them.

http://www.youtube.com/watch?v=pG_kT565-XQ&feature=related



The Lever

It let us apply the force at one point by making a smaller force at another point. A lever has a fulcrum, and an effort point (were we make the samller force ) and a resistance point (where the large force is applied).

http://www.youtube.com/watch?v=pG_kT565-XQ&feature=related




The Pulley


This lifts weights, they change the direction in which the forces act. For example, when we pull down on the end of a rope on a pulley, the load attached to the end of the rope rises.

http://www.youtube.com/watch?v=TlPWy7qW7oM&feature=related

A wedge

Is use to cut or separate things

A screw

It is used to fasten things together

Compound Machines

The compound machines are combinations of simple machines, some daily life examples are: cars, electric stairs, computers, etc.