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Pressure (P) is a physical quantity that describes the relationship between the force (F) acting on an object and the surface area (S) over which the force is applied. In this scenario, all three individuals have the same weight and are subject to the same gravitational force, meaning the pressure force (F) is perpendicular to the layer of snow. However, this force is distributed over different surface areas (S). The skis have the largest surface area (S1), the snowshoes have a smaller area (S2) and the smallest area is that of the soles of the shoes (S3). The greatest deformation of the snow and the highest pressure occurs with the individual wearing shoes. Conversely, the individual with skis causes the least snow deformation, as the pressure is distributed over a larger area, resulting in the smallest pressure.
