A 2.5 cm x 7.5 cm steel beam with a length of 61 cm is subjected to a reversed load of 17.8 kN at midpoint. If yield stress and endurance stress are 410 MPa and 155 MPa respectively, what should be the minimum factor of safety?A helical spring has a free length of 203 mm, outside diameter of 115 mm and a wire diameter of 13 mm. It consist of 9.5 coils squared and grounded at the ends. If it is compressed to its solid length, what is the stress in the spring? Let G = 80 GPa.

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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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A 2.5 cm x 7.5 cm steel beam with a length of 61 cm is subjected to a reversed load of 17.8 kN at midpoint. If yield stress and endurance stress are 410 MPa and 155 MPa respectively, what should be the minimum factor of safety?
A helical spring has a free length of 203 mm, outside diameter of 115 mm and a wire diameter of 13 mm. It consist of 9.5 coils squared and grounded at the ends. If it is compressed to its solid length, what is the stress in the spring? Let G = 80 GPa.

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