Shear Stress Notes
Units and symbols:
σ Normal stress (Pa)
Τ Shear strength (Pa)
τ Shear stress (Pa)
ρ Density (kg/m3)
g Acceleration of gravity (9.81 m/s2)
m Mass (kg)
H Depth/height (m)
N Newton = Force
FORCE
Units of force: N = kgm/s2
How would we convert forces into pressures? PRESSURE
Units of Pressure: Pa = N/m2 = kg/ms2 kPa = Pa/1000
Shear Stress Notes
Normal stress (flat plane):
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σ = ρ⋅ g⋅ H
Shear stress:
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τ = ρ⋅ g⋅ H⋅ sin(ψ)
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