Question

Why are ski board that are used to glide over snow long and broad

Answer 1

If the surface in contact with the snow (of the ski board ) is greater then the adhesive force is greater which avoids skidding off

Answer 2

hi frnd!!##@-------here is your answer_____--------
This is because the larger the area of contact,lesser is the pressure on snow.This helps the skier to slide comfortably without sinking in the snow.
Hope this helps!!;-))