A 5-kg block is pulled along rough inclined plane by a force of 71 N (g = 10 m.s-2, sin 37 o = 0.6, cos 37 o = 0.8). If the coefficient of friction force between block and inclined . Place the 1 meter track on top of the block in order to prepare an inclined plane. A box of mass 2 kg is held in equilibrium on a fixed rough inclined plane by a rope. The rope lies in a vertical plane containing a line of greatest slope of the inclined plane. The rope is inclined to the plane at an angle α, where tan α = , and the plane is at. A 55.0 kg box is placed on an incline that makes an angle of 28.0 degrees with the horizontal. The coefficient of static friction between the box and the inclined plane is 0.680. a. Determine the static frictional force that holds the box in place. b. The incline angle is slowly increased. To review, the process for solving inclined plane problems is as follows: Draw a sketch of the problem. Identify known and unknown quantities, and identify the system of interest. Draw a free-body diagram (which is a sketch showing all of the forces acting on an object) with the coordinate system rotated at the same angle as the inclined plane.