EXAMPLE 4 What About a 10-Foot Steel Cube?

What is the pressure on the bottom of a steel cube 10 ft on a side?

If we scale the original cube of steel up to a cube that is 10 ft on a side, then the total volume is

The weight of the cube is

The area of the bottom face is

The pressure on the bottom face is

This is 10 times—not “10 times more than”—the pressure on the bottom face of the original 1-ft cube.