Civil Engineering MCQJE Level Civil Engineering
Which of the following about impending motion on a rough plane in civil engineering is correct?
Engineering MechanicsFrictionMEDIUM
Choose the correct answer
A
limiting friction equals coefficient of friction times normal reaction
B
friction always acts in direction of impending motion
C
friction is independent of normal reaction
D
coefficient of friction has units of kN
Correct Answer
A. limiting friction equals coefficient of friction times normal reaction
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Dry friction follows F_lim = mu N. Correct option: A.
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