Comment on the statement " the friction between two surfaces can never be zero"
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No we cannot reduce friction to zero because friction exists at even atomic levels too. Friction cannot be reduced to perfect 0, if two surfaces are touching each other with some pressure. ... Without applying normal pressure, we cannot do any useful work in the world
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no, this statement is false because the friction between two surfaces can never be zero it can we decrease or increase by the nature of surface
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