Physics
What physics principles allow ski jumpers to glide so far?
Quick fact
By spreading their skis into a V-shape, jumpers increase their surface area by 30%, turning their entire body into an efficient airfoil that generates lift.
Why this is interesting
Ski jumpers don't just fall; they generate enough lift to stay airborne for longer than a falling stone, thanks to a simple V-shape.
Read the full explanation
Understanding What physics principles allow ski jumpers to glide so far?
The V-shape creates a larger 'wing' area, allowing air to flow faster over the top and slower underneath, producing pressure differences that push them upward—the same principle that lifts an airplane.
A deeper explanation
This position is so effective that modern jumpers can achieve a lift-to-drag ratio of nearly 1.5, meaning they generate 50% more lift than drag. But the margin for error is tiny: leaning just 2 centimeters forward or backward shifts the aerodynamic center of pressure, which can add or subtract 5 meters from the jump. Their bodies become the wing, the skis are the flaps, and every muscle twitch is a flight control input.