The use of skis helps a person to slide smoothly over snow because the skis ___________ the area overvwhich the weight of the oersin acts.
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The coefficient of friction of snow is too low, that is, it is almost frictionless. So, the use of skis makes it harder for us to topple on ice as it reduces the combined height of center of mass of ski and person and hence makes it easier to walk and slide.
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I don't know sorry
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