A1300 kg car and a 2600 kg pickup truck approach highway that has a radius of a curve on a 249 m a) draw the free body diagram b) express all required equations c) at what angle should the highway engineer bank this curve so that vehicles traveling at 66.0 mi/h can safely round it regardless of the condition of their tires? d) should the heavy truck go slower than the lighter car? e) as the car and truck round the curve at 66.0 mi/h, find the reaction force of the road on each one due to the highway surface