A few days ago
homework help please!?
Can you give me some examples where fricition is a nuisance?
Where are many places on a bicycle where friction acts.
Where are the least places you want friction?can you name 2 places?
Top 4 Answers
A few days ago
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Friction would be a nuisance between any surfaces that should be as friction-free as possible. like the piston in a car engine, a door hinge etc…. Friction in the pistons will cause your engine to overwork and in time will break them down. On a door hinge for example, if there is too much friction, it will cause it to be more difficult to swing open and make that awful creaking noise.
On a bicycle there is friction caused by the brake pads against the tire while attempting to stop, and friction between the tires and the ground to keep the traction. Hope this helps!
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A few days ago
Friction is a nuisance anytime you want efficiancy out of moving parts. Have you ever been around a car motor after it has been running for a while, it’s hot. Some of that heat is from friction. So it requires more gas to go somewhere because you have to overcome that friction.
On a bicycle, you’ll have friction of the tires on the road (with out it you wouldn’t go anywhere. The breaks on the tires, without friction here you wouldn’t be able to stop. How about your feet on the peddles, friction keeps them there.
I think I kind of answered the last question already. Hope that helps.
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A few days ago
There are advantages and disadvantages of friction. Since friction is a resistance force that slows down or prevents motion, it is necessary in many applications to prevent slipping or sliding. But also, it can be a nuisance because it can hinder motion and cause the need for expending energy. A good compromise is necessary to get just enough friction.
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A few days ago
in the crank bearing. It makes it harder to peddle
in the wheel bearing. It makes it also harder to peddle
brakes make friction to stop
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