block 1 (10 kg) is pulled by a rope from left to right up a ramp which is inclined 20 degrees from the horizontal. the rope pulls on block 1 with a force of 120 n parallel to the surface of the inclined plane. the coefficient of kinetic friction between the block and the surface equals 0.3. Assume that the x-axis is parallel to the incline and positive in the direction up the incline.
What is the magnitude of the acceleration of block 1?