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How - with cooling oil

Why - because friction causes heat, and overheating is bad for moving parts.

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Q: How and why friction is cut down in a car engine?
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What is used to cut down friction in a car engine?

How- cooling oil why- overheating is bad for the engine parts

What is friction between moving parts of an engine?

Friction is cut down in a car engine for two very important reasons. First, cutting down friction increases horsepower. It takes horsepower to overcome friction; so anything that can be done to cut down friction will increase the horsepower. Second, friction causes heat to be produced. Too much heat is bad, because if the engine gets too hot, then metal is softened and weakened, leading to failure of engine parts. The engine has a cooling system to remove unwanted heat, but too much friction would require a larger and more efficient cooling system to remove the excess heat, which would add expense and weight to the car. Motor oil is used to cut down the friction in the car engine. Also, very close tolerances in production of engine parts helps to cut down friction.

How is friction cut down in a car engine?

Friction in a car engine is reduced by using proper lubrication, such as engine oil, to create a smooth surface between moving parts. Additionally, improving the design and materials of engine components can help minimize friction. Regular maintenance and keeping the engine's parts clean can also help reduce friction.

Why is friction an important factor to consider when designing a race car?

Gravity is good. It keeps the cars down on the track, and the fans in their seats. Friction is bad. If there was no friction, then you could cut your engine when you hit 200 and just keep going. But friction robs your kinetic energy, so if you back off your engine, then your car slows down.

Why is friction cut down in a hovercraft?

How is friction cut down in a hovercraft? This is done by hovering over the surface Why is friction cut down in a hovercraft? Because the surface of the hovercraft is smooth

Where do racing car drivers not want friction and why?

Down the straights because it can slow their top dpeed down and they need to cut through the air as cleanly as possible.

How and why is friction cut down in a hovercraft?

Friction is cut down in a hovercraft by the large volume of air that blows out from under the skirt, making the skirt rise above the ground. In essence, the hovercraft is floating on a bubble of air, and has very little friction with respect to the ground.

What are the Small balls that help cut down on friction inside machines?

Ball bearings

Why is friction cut down on a dance floor?

Friction on a dancefloor is reduced by the highly polished floor and leather bottomed shoes worn by the dancers

How does an engine turn off?

Gasoline engine - spark is cut off when ignition is turned off Diesel engine- fuel is cut off when engine is shut down

Why is your car cooling fan still run after you stop the engine or cut it off?

It's probably an electric fan that reacts and works if the engine reaches a certain temperature. Sometimes that means keeping going for a while even after you shut down the car.

Why would your car engine cut off while driving downhill?

why does it matter if you're driving down a hill? At least it didn't cut off when you were driving up a hill? And I don't know why it would cut off I'm 13.