0
Because it isn't! lol sorry i can't help ya there! on the contrary it is extremely useful if it was NT there you would spend a lot of time sliding around all over the place that is what makes the brakes on your car work as an example
What else can I help you with?
Does brakes on a bicycle have a lot of friction or not much and is it useful or not useful?
Brakes are meant to have a lot of friction and it's useful.
Is friction useful with computers?
No Friction Runes Computers
When can friction not be useful in a boat?
the friction from pushing the hull through the water is not useful as long as you're travelling.
When is a high friction useful?
It can be useful when a ball is catching
Why are tyres useful friction?
how does friction help car tyres?
What is high in friction but is not useful?
Sandpaper is high in friction but is not considered useful in terms of being helpful in a general sense.
Is one way that friction is useful?
stopping cars Friction is useful to start a fire with sticks.
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).
How friction useful when walking down an icy street?
It is useful
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 part of a bicycle is a useful friction?
The brakes! And the tires (no friction = no traction).
Friction is useful in playgrounds?
yes
