Why does a karate player suddenly reduces the speed of his hand while hitting an ice slab
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He is tensing. It is called Kime.
Movement is done with relaxed body but tensing is done to hit hard surfaces.
It is necessary to do this otherwise he will fracture his bones.
In terms of physics, when he reduces the speed of his hand then the kinetic energy changes into potential energy. When he will hit the ice slab then he will transfer the momentum of his hands into the ice slab and it will be easier to break the slab.
Hope it helped you......
Movement is done with relaxed body but tensing is done to hit hard surfaces.
It is necessary to do this otherwise he will fracture his bones.
In terms of physics, when he reduces the speed of his hand then the kinetic energy changes into potential energy. When he will hit the ice slab then he will transfer the momentum of his hands into the ice slab and it will be easier to break the slab.
Hope it helped you......
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