The substance used in the reduction of
friction between the two surfaces in the relative motion is known as ________ .
सापेक्ष गति में दो सतहों के बीच घर्षण को कम करने में प्रयुक्त पदार्थ को ________ के रूप में जाना जाता है।
refrigerants
solvents
lubricants
absorbent
lubricants
Lubricants are used in reduction of
friction between the two surfaces in the relative motion.
Hence, the correct option is (C).
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