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When Is Friction Useful and When Is Friction Not Useful?
Friction is useful when you are trying to stop a car, but not useful in the pistons of a car's engine (It makes them less efficient).
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What sports are friction useful and not useful for?
Friction is important for all sports.
Without it it becomes really hard to accelerate or deaccelerate.
For example a 100m sprinter.
It would be great for him if there wasnt any air resistance...
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When can friction be not useful?
When you want travel at a constant speed for example. If an object was at a constant speed and you wanted it to stay at that speed without a resultant force, there would have to be no friction (and...
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Where is friction not useful?
If you think about it, anywhere lubricant is used to prevent the wear or heating of parts.
Engines, Axels, hubs and shafts...
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How can friction be useful?
Friction plays a vital role in our daily life. Without friction we are handicap.
1. It is becomes difficult to walk on a slippery road due to low friction. When we move on ice, it becomes difficult...