Recently, the Winter Olympic Games have been in full swing. Many friends watch all kinds of sports competitions at home, and when they see curling competitions, they will wonder why they keep mopping the floor.
Without wiping the floor, the curling will not slide? The more you rub the floor, the faster you slide?
In fact, the ice surface of the curling track is not as smooth as we thought. On the contrary, the ice surface of the curling track has a lot of "knots". Don't underestimate these "pimples", they can play a big role in the game.
These "knots" on the ice surface can shrink Xiaoice the contact area between the bottom of the pot and the ice surface, and the friction area is reduced, which can make it more convenient for the curling to slide.
Moreover, the weight of curling is relatively large, about 40 pounds. The bottom center of the curling is slightly sunken. With such a design, it is easy for curling to melt the ice around the contact point and form a film of water as it glides on the ice. Without this small depression, the ice around the contact point melts and the curling sticks to the ice and there is no way to compete.
Therefore, according to this principle, the ice surface temperature can be increased by wiping the ground and melted into a water film as soon as possible. As a result, the friction is reduced, and the curling turns two times less and slides farther.