research.iaun.ac.irresearch.iaun.ac.ir/pd/abbasi/pdfs/UploadFile_6828.pdf · Since the shaft...
17
research.iaun.ac.irresearch.iaun.ac.ir/pd/abbasi/pdfs/UploadFile_6828.pdf · Since the shaft consists of three portions AB , BC, and CD, each of uniform cross section and each with