prob_059

# prob_059 - 59 REASONING The toboggan has a constant...

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59. REASONING The toboggan has a constant velocity, so it has no acceleration and is in equilibrium. Therefore, the forces acting on the toboggan must balance, that is, the net force acting on the toboggan must be zero. There are three forces present, the kinetic frictional force, the normal force from the inclined surface, and the weight mg of the toboggan. Using Newton’s second law with the acceleration equal to zero, we will obtain the kinetic friction coefficient. SOLUTION In drawing the free-body diagram for the toboggan we choose the + x axis to be parallel to the hill surface and downward, the + y direction
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## This note was uploaded on 01/29/2010 for the course CALC 01:640:135 taught by Professor Soffer during the Spring '08 term at Rutgers.

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