Question

skiers use long, flat skies over snow. why?

Answer 1

BECAUSE OF CONTACT OF AIR IS INCREASING NITROGEN IS LEVEL

Answer 2

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Due to long flat skis, the area of contact is larger.

This reduce the pressure (P ∝ 1/A) exerted by the skier on the snow to enabling the skier to slide over the snow without sinking.

For similar reason, it is easier to walk on muddy road if we have flat shoes rather than shoes with sharp heels.

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