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Question #77inputverified

Your front hoop bracing member consists of a round straight tube made out of baseline material with the dimension 25.4 mm outer diameter and 1.6 mm wall thickness and a total length of 968 mm. What is the percent increase of the bending stiffness (defined as EI) if you use a round straight closed section tube with the dimension 30 mm outer diameter and 1.5 mm wall thinkness. Round solution to one decimal place. How much percent increase the weight for this tube? [r=7.874 g/cm³] Round Solution to one decimal place. Give your answer in the following format: stiffness inc., weight inc. Example: if the stiffness increase is 45,6% and the weight increase is 23,4% then use 45.6, 23.4 as answer value.

  1. 60.7, 12.3Correct

Official answer

60.7, 12.3

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  • FSG 2020 · ev · quiz 9