Why Bent Knees Save Skiers on Impact
Snow does not soften the hit. Physics does. A rigid, straight‑leg landing stops the body over a few centimeters; a deep knee bend stretches that stopping distance several times over, and with it the stopping time, which is what really matters for the force you feel.The hard truth is simple: your body cannot cheat momentum, but it can manage impulse. Momentum is mass times velocity; impulse is forc...More
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