# The weight of a skier is 60 kg. What pressure does he exert on the snow if the length

The weight of a skier is 60 kg. What pressure does he exert on the snow if the length of each ski is 1.5 m and the width is 10 cm.

Given:

m = 60 kilograms – the mass of the skier;

l = 1.5 meters – the length of each ski;

x = 10 centimeters = 0.1 meter – the width of each ski;

n = 2 – number of skis.

It is required to determine P (Pascal) – how much pressure the skier produces on the snow.

Find the area of ​​the bearing surface of one ski:

s = l * x = 1.5 * 0.1 = 0.15 m2.

Then the total area will be equal to:

S = s * n = 0.15 * 2 = 0.3 m2.

The force of gravity acting on the skier will be equal to:

F = m * g (where g = 10 Newton / kilogram, approximate value);

F = 60 * 10 = 600 Newtons.

Then the pressure will be equal to:

P = F / S = 600 / 0.3 = 2000 Pascal (2 kPa).

Answer: The pressure exerted by the skier on the snow will be 2000 Pascal (2 kPa). One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.