Automobiles and Motorcycles


Automobiles are wheeled vehicles that are used for transportation. According to most definitions, a car has four wheels, seats one to eight people, and runs on roads. Most of these cars are primarily used for people’s transportation. The history of automobiles goes back many centuries. Today, there are more than a million different types of automobiles.

The engine is one of the most important components of an automobile. This part converts the heat of the burning fuel into mechanical work to move the wheels. Automobile engines vary in size and design. Some are in-line, while others are V-shaped. Either way, these engines use the internal combustion principle. These engines give off oily smoke and make a sound similar to a chain saw.

Automobiles differ from motorcycles in many ways. Motorcycles have fewer parts than cars and are easier for the layperson to maintain. Motorcycles also take up less space than cars. In fact, three motorcycles can fit in the same parking space as one car. In addition, they are easier to tow than a car. While a car needs a tow vehicle, a motorcycle can be won onto the trailer and cartied off.

Motorcycles are also considered a low-emission vehicle. Electric motorcycles are now available with very high fuel economy equivalents and zero emissions. Petrol-electric hybrids and fuel cells are also under development. An important feature of a two-wheeled motorcycle is that it stays upright due to conservation of angular momentum in the wheels. The angular momentum in the wheels point in the same direction, and the motorcycle “wants” to keep moving in the same direction.

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