The uniform brass bar AB has a rectangular cross section and is supported by pins and brackets as shown. Each end of the bar can rotate freely about a horizontal axis through the pin, but rotation about a vertical axis is prevented by the brackets. (a) Determine the ratio b/d for which the factor of safety is the same about the horizontal and vertical axes. (b) Determine the factor of safety if P =1.8 kips , L= 7 ft. d =1.5in. and E= 20 X 10
The uniform brass bar AB has a rectangular cross section and is supported by pins and brackets as shown. Each end of the bar can rotate freely about a horizontal axis through the pin, but rotation about a vertical axis is prevented by the brackets. (a) Determine the ratio b/d for which the factor of safety is the same about the horizontal and vertical axes. (b) Determine the factor of safety if P =1.8 kips , L= 7 ft. d =1.5in. and E= 20 X 10
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‘The uniform brass bar AB has a rectangular cross section and is supported by pins and brackets as shown. Each end of the bar can rotate freely about a horizontal axis through the pin, but rotation about a vertical axis is prevented by the brackets. (a) Determine the ratio b/d for which the factor of safety is the same about the horizontal and vertical axes. (b) Determine the factor of safety if P =1.8 kips , L= 7 ft. d =1.5in. and E= 20 X 10 psi
![The uniform brass bar AB has a rectangular cross section and is supported by pins and brackets as shown. Each end of the bar can rotate freely about a
horizontal axis through the pin, but rotation about a vertical axis is prevented by the brackets. (a) Determine the ratio b/d for which the factor of safety is the
same about the horizontal and vertical axes. (b) Determine the factor of safety if P = 1.8 kips, L= 7 ft, d = 1.5 in., and E = 29 X 106 psi.
B](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc07142a6-2976-4107-b41a-f2c5586a3505%2Fda339a05-2f4d-47b1-a74e-c64157b5abc6%2Fqrg2cwd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The uniform brass bar AB has a rectangular cross section and is supported by pins and brackets as shown. Each end of the bar can rotate freely about a
horizontal axis through the pin, but rotation about a vertical axis is prevented by the brackets. (a) Determine the ratio b/d for which the factor of safety is the
same about the horizontal and vertical axes. (b) Determine the factor of safety if P = 1.8 kips, L= 7 ft, d = 1.5 in., and E = 29 X 106 psi.
B
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