Academics – Applied Mechanics : 2013/JUL/03
Question
Q1. A box of mass 400 kg is pulled at constant speed up a ramp inclined at 20º above the horizontal by the application of a horizontal force of 2750 N. Calculate EACH of the following:
(a) the coefficient of friction between the box and the ramp;
(b) the minimum force that could be used to move the box, and its line of action.
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