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Notes on shear stress and pressure, including units, symbols, formulas for calculating normal stress and shear stress, and conversions between forces and pressures.
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Shear Stress Notes Units and symbols: σ Normal stress (Pa) Τ Shear strength (Pa) τ Shear stress (Pa) ρ Density (kg/m 3 ) g Acceleration of gravity (9.81 m/s 2 ) m Mass (kg) H Depth/height (m) N Newton = Force FORCE Units of force: N = kgm/s 2 How would we convert forces into pressures? PRESSURE Units of Pressure: Pa = N/m 2 = kg/ms 2 kPa = Pa/
Shear Stress Notes Normal stress (flat plane):
Shear stress:
