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Polishing Surfaces in Contact to Change Friction

If we apply o...

Question

If we apply oil to door hinges, friction will _____.

A

Increase

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B

Disappear altogether

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C

Decrease

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D

Will remain unchanged

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Solution

The correct option is C
Decrease

Applying oil to door hinges provides lubrication. As a result of this, friction decreases.

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Similar questions

Q. Question 5
If we apply oil on door hinges, the friction will

(a) increase
(b) decrease
(c) disappear altogether
(d) will remain unchanged

Q. What will happen to the friction if we apply oil on door hinges?

Applying oil on door hinges ___ friction.

Q. If we apply oil on window hinges, the friction will on the hinges will ____.

Q. Pick the correct option for the following statements:
Statement 1: We apply oil on door hinges to reduce friction.
Statement 2: Friction can be reduced by streamlining the shape of the object.

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