why does a karate expert suddenly reduce the speed of his hand while stricking a slab of ice? explain using newtons 1st law of motion
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It’s a way to get greater effect. It is done to reduce the time and area of contact so that, when force is applied due to large impulse the object would break easily. It’s not about reducing speed but about increasing strength during the time of contact. Reducing speed is just a way of doing it.
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