Chapter 4: LEGO BOOST Rover
Anything that reduces human effort is called a machine. A simple machine is a mechanical device for applying force. Any complex machine is a combination of two or more simple machines. We will learn how to apply a few of these simple machines in our upcoming projects. In science, there are a total of six simple machines, as follows:
- Wheel and axle
- Pulley
- Lever
- Wedge
- Screw
- Inclined plane
Wheels and axles help move heavy loads from one place to another by reducing the friction between the load and the surface, owing to its round shape. The wheel is considered one of the greatest discoveries of mankind. You can find numerous examples in and around your vicinity where wheels are used extensively to make things move ...
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