Alift in an auto repair shop is based on the following diagram. assume the weight of the car is 1600 n. the pipe in the left hand side of the loop has a square cross section with a side of 1.0 m. the right hand pipe also has a square cross section with a side of 0.4 m. the working fluid is oil with a specific gravity of 875 kg. a.) assume that the level of fluid is the same in each arm of the loop. what absolute air pressure is required to hold the car up? b.) assume that the fluid level in the left hand side of the loop is 2.0 m above the level in the right hand side. what absolute air pressure is required to hold the car up?