Only one of the following statements is correct. Which one is it? a) b) c) d) Th
ID: 1774144 • Letter: O
Question
Only one of the following statements is correct. Which one is it? a) b) c) d) The static friction forces are constant because they depend only on the normal force For a given pair of surfaces, the coefficient of kinetic friction is larger than the static. The coefficient of static friction can be greater than one. The force of friction between a body and a surface cannot be greater than the weight of the body The friction force never points in the direction opposite to the motion. The friction coefficients have the units of Newtons The friction coefficients can be negative. e) g)Explanation / Answer
(a) the static friction forces are constant because they depend only on the normal force.
Static friction is also called limiting friction and that is the maximum available friction for it depends only on normal force.
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