A hollow steel shaft 12 feet long has an outside diameter of 16in. The inside diameter is 9 inches. What is the weight of this shaft if the steel weighs 0.29 lbs per cubic inch?© BrainMass Inc. brainmass.com September 23, 2018, 4:24 pm ad1c9bdddf - https://brainmass.com/math/geometry-and-topology/inner-outer-diameter-cyclindrical-shaft-35576
Let the length of the shaft be L and its outside and inside diameters are D and d respectively.
The volume of a cylinder is given by
The inner and outer diameter of a cylindrical shaft is given, the weight is calculated.