The correct answer to your question is both.
Friction both supports and opposes every one of those sports.
For running, you need friction under the sole of your foot. On the other hand, the friction of the molecules in the air moving past your body is providing resistance.
For car racing, friction is needed under the tires for … Read more
Friction both supports and opposes every one of those sports.
For running, you need friction under the sole of your foot. On the other hand, the friction of the molecules in the air moving past your body is providing resistance.
For car racing, friction is needed under the tires for … Read more