A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a force of 174 N at an angle of 26.0° above the horizontal. The box has a mass of 21.0 kg, and the coefficient of kinetic friction between box and floor is 0.300. (a) Find the acceleration of the box.  m/s2 (b) The student now starts moving the box up a 10.0° incline, keeping her 174 N force directed at 26.0° above the line of the incline. If the coefficient of friction is unchanged, what is the new acceleration of the box?  m/s2, up the incline

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