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You will need two components that both contain measurable mass to collide/move against each other, which will cause a kinetic energy transfer
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∙ 14y ago
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What places need friction?
If you were roller-skating you don't need friction because it slows you down. Well you want friction between the wheels and the floor (so you do not slip sideways) but not between the wheel and the axel (thats why you have ball bearings there to reduce rolling friction). If you are ice skating you do not want friction between the blade of your skates and the ice.
Do you want to reduce friction when you are sitting on a park bench?
Normally you would not want to do so. If there was no friction, you would slip right off the bench onto the ground. You need some friction in order to stay in one place.
Why do you need friction?
we need friction because if there were no friction the objects around us will slide
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).
Why do you need low friction when skiing?
because you need to slide down the hill....?
What places need friction?
If you were roller-skating you don't need friction because it slows you down. Well you want friction between the wheels and the floor (so you do not slip sideways) but not between the wheel and the axel (thats why you have ball bearings there to reduce rolling friction). If you are ice skating you do not want friction between the blade of your skates and the ice.
Where does the friction need to be small on a slide?
Wherever you want to go the fastest.
Do you want to reduce friction when you are sitting on a park bench?
Normally you would not want to do so. If there was no friction, you would slip right off the bench onto the ground. You need some friction in order to stay in one place.
Why do you need friction?
we need friction because if there were no friction the objects around us will slide
Where is friction needed in a backhoe loader?
You would need friction between the tires or tracks and the dirt the tractor is sitting. If you have extended legs, you need friction between the pads and the ground. You would want friction in the brakes. A clutch also relies on friction. Technically you could "dig water", but if you are trenching, then one needs friction between the dirt particles. It is also handy to have friction in your seat, steps, and controls.
What does friction help create that you need or want?
it helps u slow down in a car and go faster
Jack is going skiing does he need high or low friction between his skis and the snow?
low friction
What force is missing when you are slipping on a slippery floor?
Friction. You need friction to be able to exert a force against the floor, so that you can balance yourself and move in the direction you want to move.
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).
Why do you need low friction when skiing?
because you need to slide down the hill....?
Do you want more or less fluid friction while swimming?
You want less friction. Then you will go faster.
Do you need friction for lacrosse?
yes! you need friction for lacrosse so you don't fall
