Friction is important for all sports.
Without it it becomes really hard to accelerate or deaccelerate.
For example a 100m sprinter.
It would be great for him if there wasnt any air resistance (as long as he can breath).
But he needs friction on the floor to push himself forward.
however friction is less useful in hockey, skiing, and almost all types of boarding(Snowboarding, wakeboarding, kneeboarding, sandboarding).
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Friction is useful in sports like Basketball and soccer for controlling the ball, stopping quickly, and changing direction. However, in sports like swimming or running, minimizing friction is important to move efficiently through water or air.
Friction is not useful in activities like ice skating and skiing, where minimizing friction allows for smoother and faster movement. Similarly, in sports like sailing and swimming, reducing friction with the water is essential for efficiency.
Sandpaper is high in friction but is not considered useful in terms of being helpful in a general sense.
stopping cars Friction is useful to start a fire with sticks.
Oh, dude, low friction and not useful? That's like asking for a list of things that are as exciting as watching paint dry. How about a feather in a vacuum, a sloth on a treadmill, and a banana peel on a frictionless surface? You're welcome for those thrilling suggestions.
Friction is not useful in situations where smooth movement or sliding is required, such as in lubricated machinery or in sports like ice skating. Additionally, in situations where reducing wear and tear is important, such as in engine components, friction is detrimental.