Physics, 28.12.2019 04:31 swansondonovanp66got
Determine the average normal stress developed in rod ab if the load has a mass of 55 kg . the diameter of rod ab is 8 mm.
Answers: 2
![S_{norm} =\frac{F}{A} \\where:\\F= force [Newtons]\\A=area [m^2]\\S_{norm} = Normal stress [\frac{N}{m^{2} }] or [Pa]](/tpl/images/0435/3823/4f8a1.png)
![A=\frac{\pi }{4}*d^{2} \\d=8[mm]=0.008[m]\\A=\frac{\pi }{4}*(0.008)^{2} \\A=5.02*10^{-5} [m^{2} ]](/tpl/images/0435/3823/54205.png)
![F=55[kg]*9.81[m/s^{2} ] = 539.6[N]\\\\S_{norm} = 539.6/5.02*10^{-5} \\S_{norm} = 10.7*10^{6}[Pa] = 10.7[MPa]](/tpl/images/0435/3823/a1a4e.png)
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Determine the average normal stress developed in rod ab if the load has a mass of 55 kg . the diamet...
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