Discussion :: Applied Mechanics
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The following statement is one of the laws of Dynamic friction
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A.
The force of friction always acts in a direction opposite to that in which a body is moving |
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B.
The magnitude of the kinetic friction bears a constant ratio to the normal reaction between two surfaces. The ratio being slightly less than that in the case of limiting friction |
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C.
For moderate speeds the force of friction remains constant but decreases slightly with the increase of speed |
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D.
all the above. |
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Answer : Option D
Explanation :
No answer description available for this question.
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