posted by Chris .
A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 174.0 N at an angle of 27.0 degrees with the horizontal. The box has a mass of 39.0 kg, and the coefficient of kinetic friction between the box and floor is 0.530. The acceleration of gravity is 9.81 m/s2 . What is the acceleration of the box? Answer in units of m/s2.