A 1938 Studebaker, reportedly, weighs approximately 3,250lbs. That weight is divided over four wheels designed to bear 3,250lbs. If we can assume that the surface area, touching the road, of each wheel is 5 inches in width and 7 inches in length. The surface area would, then, be 35 inches. If we multiplied that surface area by itself, and then, divided that by the overall weight of the Studebaker divided by the four wheels. That is represented as 35 times 35 (1,225) divided by 812.5. That tells us that the Surface Pressure acting on each wheel of the Studebaker is 1.5 degrees.
Superman’s hands are drawn grasping the fenders on either side of the Studebaker, suggesting that all of the Studebaker’s Surface Pressure is being concentrated on the palms of Superman’s hands and on those two side fender. It is unknown how large or small Superman’s hands might’ve been but for the sake of argument I’m estimating that Superman’s hands were 7 inches long by 4 inches wide. This can be represented by as 28 times 28 (784) divided by 1625 (the weight of the Studebaker divided by Superman’s two hands), which would come out to 2.07 inches of Surface Pressure. This is interesting because if the Surface Pressure acting on an object is greater than the Tensile Strength, which I will address soon, said object will break. In the real-world, that Surface Pressure acting on those Side fenders would cause the fenders to rip off and for the Studebaker to come crashing down on Superman’s head.
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