It reduces friction between the bottom of the ski and the top of the snow.
yes
Most skiers wax their skis for this purpose.
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
The force of gravity accelerates skiers, skydivers and others who are moving down under its influence.
To go faster
Yes, wax will lower the drag coefficient of the snowboard.
It helps you to go faster.
because in the wax it has something in that makes it burn faster.
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.
both r the same