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Question
Applying grease to the hinges of a door
A.increase friction. B.reduces friction.
C.keeps friction constant. D.increases the weight.
A.increase friction. B.reduces friction.
C.keeps friction constant. D.increases the weight.
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Solution
Dear Student,
Option B.
Greasing is done to reduce friction.
Regards.
Option B.
Greasing is done to reduce friction.
Regards.
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