High friction is not useful in situations where smooth and fast movement is desired, such as in sports like ice skating or skiing. It can also be detrimental in machinery and gears, leading to excessive wear and heat generation. Additionally, high friction can be a hindrance in situations where minimizing energy consumption is crucial, like in car engines.
Friction is high on a carpet.
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Friction is not required in sports like swimming and diving because it is beneficial for athletes to move through water with minimum resistance. Additionally, in sports like gymnastics and figure skating, reduced friction allows for smoother and more controlled movements during routines.
Gravity affects extreme sports like skateboarding by limiting how high an athlete can jump. It limits ball games to how high the ball will fly when you hit/kick it. The amount of homeruns a team will score in baseball is limited by how many people can overcome gravity and hit the ball far enough. Friction affects raquet sports like table tennis, by allowing the athlete to apply spin to the ball with their bat/raquet. It also allows people to change direction quickly, the friction between their shoe and the floor lets them slow down sufficiently, in sports like basketball.
The sports field is HUGE.
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Example of high friction is a really rough surface like sandpaper.
action and reaction, the ball moves with force, it stops with friction .
On her feet and hands. That is why they build climbing shoes from sticky rubber. Her belay partner will need friction in their belay device (ATC OR GRI GRI, etc)