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∙ 15y ago
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Why is friction both good and bad?
It depends what you want to do with it. Friction generates heat, which can be good (if you are cold), or bad (if you are not). Friction slows down movement, which can be good (if you are about to crash into a tree with your car), or bad (if you need high performance in an engine for instance).
Do car brakes reduce friction?
Friction is what makes the brakes stop the car.
How does friction change how far a car goes?
Friction does work to slow down the car. Thus, the more friction there is, the less distance a car can go.
Can friction can increase speed?
Sure. When I am running, I need to have good friction between my running shoes and the ground that I am running on, in order to be able to run quickly. A car needs a good level of friction between the tires and the road to drive at a high speed. Otherwise the wheels just spin but the car doesn't move (this can happen when you are stuck in the ice).
Example of where you need friction?
The breaks on your car require friction to make the car stop. Friction between the souls of your shoes and the ground keeps you from sliding.
How is friction a help?
The brakes on your car are a good example.
Why rubber is used for car tyres?
because of good friction.....
How is friction good?
Friction is good for two reasons, both are related. 1) Friction allows your car to stay on the road. Bigger tire surface translates to more friction=better handling. Also 2) friction stops your car (brakes). The bigger the contact surface from the tire (the tire touching the road) and the better the braking system (drum brakes or disk brakes), the quicker your car will stop.
Why is friction both good and bad?
It depends what you want to do with it. Friction generates heat, which can be good (if you are cold), or bad (if you are not). Friction slows down movement, which can be good (if you are about to crash into a tree with your car), or bad (if you need high performance in an engine for instance).
What is useful friction?
there is friction in your cars brake system and without that frictiuon there your car would roll away whenever it was on a hill so this is a good example of when friction is useful.
What is a feature of a car that increases friction?
the front boot of the car increases the friction on the car
Explain how will you minimize friction in your car?
You can minimize friction in your car (notably in the engine) by always using the lubricating oil and oil level that is recommended by the car manufacturer. Keeping grease points in good condition also helps to reduce friction and wear and tear on moving parts.
Do car brakes reduce friction?
Friction is what makes the brakes stop the car.
How does friction change how far a car goes?
Friction does work to slow down the car. Thus, the more friction there is, the less distance a car can go.
What are some situations where friction is good and some some where friction is bad?
In situations where you want to create heat or dissipate kinetic energy, friction is usually a good thing. Friction when rubbing your hands together creates heat, which you appreciate, and friction between your brake pad and brake disc slows down your car, which is also a good thing. In situations where you want to maintain kinetic energy or minimize heat, friction is usually bad. Air friction slows down a glider, limiting its range, and mechanical friction in a car rolling on a flat surface causes it to stop without the brakes being applied.
Does friction reduce or increase when a car is moving?
Friction is de opposition of motion. if a car is in motion, the friction is said to be reduced because it oppose de movement of the car.
Why is fricton necessary to drive a car on a road?
Actually the good effect of friction is: if you drive a car you can make it stop, friction makes it stop. But the bad effect is: friction wears out machines so you can replace it. Hope it helps! :) Also with no friction the tires would just spin and go no place, and steering would be a problem.
