A skier slides down a slope to the left at a constant speed.

This is obviously not a complete Physics question. It is nothing but a description.

To explain how a skier slides down a slope to the left at a constant speed, we need to consider a few key factors: the forces acting on the skier and the concept of equilibrium.

When a skier slides down a slope, several forces come into play. The two main forces are gravity and friction. Gravity is pulling the skier downhill, while friction opposes the motion, acting in the opposite direction to the skier's movement.

At a constant speed, the skier experiences dynamic equilibrium. This means that the net force acting on the skier is zero, resulting in balanced forces. In this case, the force of friction counteracts the force of gravity, preventing any acceleration in the skier's motion.

To maintain constant speed while sliding down a slope to the left, the skier must adjust their body position and technique. By leaning the upper body slightly uphill and shifting their weight to the uphill ski, the skier can increase the frictional force acting on that ski. This increased friction compensates for the gravitational force pulling them downhill, resulting in a balance of forces and a constant speed.

It's important to note that the angle of the slope, the surface conditions, and the skier's technique can all influence the specific forces at play. Additionally, other factors like air resistance and variations in the slope's steepness can slightly affect the constant speed. However, by maintaining an equilibrium between gravity and friction, the skier can control their speed while sliding down a slope to the left.