Question

why do skis have large area ​

Answer 1

Skis create a large contact area between the skier and the snow. Therefore, the weight of the skier—or how much gravity pulls on him—is spread out over a larger area. The skier presses less on each square inch of snow, and instead of sinking into it he or she can glide over it. ... Skis also help with stability

Answer 2

skis create a large are between the skier and the snow therefore the weight of the skier is the gravity pull applies a large area