A 1125−kg car and a 2250−kg pickup truck approach a curve on the expressway that has a radius of 225 m . (a) At what angle should the highway engineer bank this curve so that vehicles traveling at 65.0 mi/h can safely round it regard-less of the condition of their tires? Should the heavy truck go slower than the lighter car? (b) As the car and truck round the curve at 65.0 mi/h , find the normal force on each one due to the highway surface.
