Washers: Disks with HolesWhat if we want the volume between two functions?Example: Volume between the functions y=x and y=x3 from x=0 to 1 These are the functions: Rotated around the x-axis: The disks are now "washers": And they have the area of an annulus: In our case R = x...
The disc is mounted on a spindle 16 which is axially movable in a bore 15 formed in the carriage 9 in order to permit sideways movement of the disc due to lack of parallelism between the fixed blades and the rails 7, 8; the disc is additionally held between spring washers 21, 22 ...