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Byju's Answer
Standard VIII
Physics
Advantages and Disadvantages of Friction
Polishing a s...
Question
Polishing a surface in contact _______.
A
increases friction
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B
reduces friction
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C
may increase or decrease friction
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D
does not affect the amount of friction
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Solution
The correct option is
B
reduces friction
Polishing a surface will always reduce friction between the surfaces in contact.
Polishing reduces friction by making a surface smooth ultimately reducing the interlocking of irregularities between the surfaces.
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