stopping cars
Friction is useful to start a fire with sticks.Friction is useful in helping to prevent objects from slipping or sliding when a force is applied to them. This is why we are able to walk, drive vehicles, and grip objects with our hands.
Sandpaper is high in friction but is not considered useful in terms of being helpful in a general sense.
Friction is useful in various ways, such as enabling us to walk and grip objects. It is crucial for vehicles to move on roads and for machines to operate effectively. Friction also helps in slowing down moving objects and preventing slipping or sliding.
The type of friction that benefits in some or other way like smooth running of vehicles on the road is called Useful Friction whereas other wherein it becomes a causative factor for wear and tear or damage to the object in question.
An example of not useful friction is the friction between the tires of a car and the road surface when trying to accelerate. This friction wastes energy in the form of heat and wears down both the tires and the road, without serving a beneficial purpose in this context.
Brakes, and Shoes
Friction is useful in helping to prevent objects from slipping or sliding when a force is applied to them. This is why we are able to walk, drive vehicles, and grip objects with our hands.
Brakes are meant to have a lot of friction and it's useful.
No Friction Runes Computers
the friction from pushing the hull through the water is not useful as long as you're travelling.
It can be useful when a ball is catching
how does friction help car tyres?
Sandpaper is high in friction but is not considered useful in terms of being helpful in a general sense.
It is 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).
The brakes! And the tires (no friction = no traction).
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.