A sled with a mass of 5.80 kg is pulled along the ground through a displacement given by ....

A sled with a mass of 5.80 kg is pulled along the ground through a displacement given by . (Let the x axis be horizontal and the y axis be vertical.) (a) How much work is done on the sled when the force acting on it is ? (b) How much work is done on the sled when the force acting on it is ? (c) If the mass of the sled is increased, does the work done by the forces in parts (a) and (b) increase, decrease, or stay the same? Explain.