Discussion :: Physics
- The force of friction between two surfaces will increase if:
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A.
A layer of lubricant is kept between the two surfaces |
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B.
The two surfaces are pressed harder |
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C.
Air gap is created between the two surfaces |
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D.
Irregularities on both the surfaces are removed |
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Answer : Option B
Explanation :
The friction between two surfaces can be increased if the surfaces are pressed into each other with greater force. The harder the brakes are pushed, the harder the pads get pressed into the discs and the more friction is generated.
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