A wax is applied to the bottom surface of cross country skis to achieve a good balance between traction when the skier needs to climb a small hill and speed on downhill slopes. The coefficients of both static and kinetic friction between the waxed surface and snow increase as temperature decreases. If the temperature rises during the day and the skier begins to slip backward on hills they should re-wax their skis with what type of wax?(1 point)
Responses
One where the coefficient of static friction is larger.
One where the coefficient of static friction is larger.
One where the coefficient of kinetic friction is larger.
One where the coefficient of kinetic friction is larger.
One where the coefficient of static friction is smaller.
One where the coefficient of static friction is smaller.
One where the coefficient of kinetic friction is smaller.
The skier should re-wax their skis with a wax where the coefficient of static friction is larger.
The skier should re-wax their skis with a wax where the coefficient of static friction is larger.
To answer this question correctly, we need to understand the effects of temperature on the coefficients of friction for the waxed surface of the skis.
When the temperature decreases, the coefficients of both static and kinetic friction increase. This means that the waxed surface of the skis provides more traction and grip on the snow, allowing the skier to climb small hills without slipping backward.
Conversely, when the temperature rises, the coefficients of friction decrease. In this case, if the skier begins to slip backward on hills, it indicates that there is not enough traction or grip between the waxed surface of the skis and the snow.
Therefore, to address the slipping issue, the skier should re-wax their skis with a type of wax that increases the coefficient of static friction. This will provide more traction and stability on the slopes, preventing backward slipping.
So, the correct answer is:
One where the coefficient of static friction is larger.