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Homework Statement
A train wheel's have a coefficient of 0.08. What is the steepest slope the train can climb?
Homework Equations
Friction force = coefficient x component of train's weight perpendicular to slope x 9.81
If the train is on the point of slipping
Friction force = component of train's weight parallel to slope x 9.81
3. The Attempt at a Solution [/
90 - ArcTan ( 1 / 0.08 ) = 4.57 degrees.
The answer is supposed to be 2.54 degrees ?