Discussion :: Engineering Mechanics
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Which of the following statement is incorrect?
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A.
A force acting in the opposite direction to the motion of the body is called force of friction. |
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B.
The ratio of the limiting friction to the normal reaction is called coefficient of friction. |
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C.
A machine whose efficiency is 100% is known as an ideal machine. |
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D.
The velocity ratio of a machine is the ratio of load lifted to the effort applied. |
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Answer : Option D
Explanation :
No answer description available for this question.
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