Physics, 08.06.2020 01:57, rigobertogarza2

A large uniform cylindrical steel rod of density ρ= 7,8 g/cm3 is 2.0 m long and has a diameter of 5,0 cm. The rod is fastened to a concrete floor with its long axis vertical. What is the normal stress in the rod at the cross- section located at (a) 1,0 m from its lower end? (b) 1,5 m from the lower end? 1) σ1=78 kPa, σ=117 kPa;
2) σ1=39 kPa, σ2=78 kPa;
3) σ1=78 kPa, σ2=39 kPa;
4) σ1=39 kPa, σ2=117 kPa.

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A large uniform cylindrical steel rod of density ρ= 7,8 g/cm3 is 2.0 m long and has a diameter of 5,...