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The frictional force always acts in the _________ direction of motion of the body.(a) Opposite(b) Same(c) Perpendicular(d) VerticalI have been asked this question in examination.This interesting question is from Nature of Traction Load in section Traction Drives of Electric Drives

Answer»

Correct ANSWER is (a) OPPOSITE

The best I can explain: The friction of FORCE ALWAYS acts in the opposite direction of the MOTION of the body. It is a non-conservative force. It helps in the motion of the body.



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