Engineering Material Series - Solid Shaft Or Hollow Shafts - Which Is Stronger?

What seem better by sight may not really be better in the real sense. Many people may say that solid shaft are better than their hollow counterpart. However, we can not just judge by sight. It is technically proven that hollow shaft are better. Better? you may ask. Yes better. How?

To prove this we have to compare the shaft bending stress developed for the same applied bending moment to the hollow shaft and solid shaft of the same weight.
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