A force in the positive direction of an x axis acts on an object moving along that axis. If the magnitude of the force is F = 7.2e*/3.1 N, with x in meters, find the work done by as the object moves from x = 0 to x = 2.5. Number i Units A fully loaded, slow-moving freight elevator has a cab with a total mass of 1600 kg, which is required to travel upward 31 m in 1.2 min, starting and ending at rest. The elevator's counterweight has a mass of only 950 kg, so the elevator motor must help pull the cab upward. What average power is required of the force the motor exerts on the cab via the cable? Number i Units