The bench vice shown in Fig. is used to fix a cubic wood sample with a hole. The wood sample has a length of 30 mm, and the hole has a 20mm-diameter. The wood compressive strength is 20 MPa. The pressure on the sample is intended not to exceed two-third of its strength. The bench vice is made of cast iron whose yield strength is 200 MPa. Suggest dimensions for a hollow circular cross section where its thickness in one-tenth the outer diameter to replace the current cross section at (m-n) and withstand the worst case of applied stress due to these working conditions. 11 Centroidal axis 60 mm 14 mm 11 mm I=7800 mm A= 130 mm²

The bench vice shown in Fig. is used to fix a cubic wood sample with a hole. The wood sample has a length of 30 mm, and the hole has a 20mm-diameter. The wood compressive strength is 20 MPa. The pressure on the sample is intended not to exceed two-third of its strength. The bench vice is made of cast iron whose yield strength is 200 MPa. Suggest dimensions for a hollow circular cross section where its thickness in one-tenth the outer diameter to replace the current cross section at (m-n) and withstand the worst case of applied stress due to these working conditions. 11 Centroidal axis 60 mm 14 mm 11 mm I=7800 mm A= 130 mm²

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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