An overnight rainstorm has caused a major roadblock. Three massive rocks of mass m = m3 = 514 kg, m2 7.00 10 kg, and = 366 kg have blocked a busy road. The rocks are lined up from left to right in the order m, m2, and m3. The city calls a local contractor to use a bulldozer to clear the road. The bulldozer applies a constant force to m in order to slide the rocks off the road. Assuming the road is a flat, frictionless surface and the rocks are all in contact, what force, FA, must be applied to m to slowly accelerate the group of rocks from the road at 0.400 m/s? FA = Use the value for FA to find the force, F12, exerted by m on m2. N F12 = N