It reduces friction between the bottom of the ski and the top of the snow.
yes
Yes, people use wax in sports for example surfing you must wax the board for grip.
Olympic cross-country skiing is many people racing to see who can get to the finish line faster by cross-country skiing, or skiing on flat land.
skiing downhill is much faster. An pro skiier will achieve speeds of up to 80mph on a typical downhill course. The current downhill ski record stands at just over 151mph
To go faster
Yes, wax will lower the drag coefficient of the snowboard.
I use universal, especially if 1) I am unsure of the conditions, 2) conditions will change dramatically during the day 3) in general, because it will be unaffected by conditions.
It helps you to go faster.
because in the wax it has something in that makes it burn faster.
both r the same
Skis work by melting the snow under them so they go faster.
Yes, skis WILL help you get downhill faster if there is snow. You need to know how steep the hill is to know how fast you will go. If you add some ski wax to the bottom of your skis, you will go extra fast.