Q. 24.8( 6 Votes )

write a short note on term ‘groove’.

Answer :

Grooves mean cuts, grooves are made on a surface so that to increase the friction of the surface by increasing irregularity, for example on a blackboard when we increase the rub the chalk due to friction the chalk gets printed on blackboard, if we increase the cuts the chalk will get more deposited than previous time.


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