alleryStart learning →Why do people put a few drops of oil on a squeaky door hinge?
ATo add weight to the door
BTo make the metal stick together
CTo add a magnetic force to it
DTo reduce friction in the hinge
Answer & Solution
Correct answer: D. To reduce friction in the hinge
Oil is a lubricant that forms a slippery layer between the metal parts, so there is less friction.
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