Question

You find that it takes a horizontal force of 167 NN to slide a box along...

You find that it takes a horizontal force of 167 NN to slide a box along the surface of a level floor at constant speed. The coefficient of static friction is 0.51, and the coefficient of kinetic friction is 0.38.If you place the box on a dolly of mass 5.9 kgkg and with coefficient of rolling friction 1.6×10−2, what horizontal acceleration would that 167 NN force provide?

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Answer #1

Find the mass of the box using the equation of motion on the floor. Use the mass and the coefficient of rolling friction when the box is placed on the dolly to find the required horizontal acceleration as shown below

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