Physics · Soil Mechanics
Coulomb's equation for shear strength of soil is given by (where c = cohesion, s = shear strength, σ = total stress, and φ = angle of shearing resistance):
- 1s = c + σ tan(φ)✓
- 2s = σ - c tan(φ)
- 3s = σ + c tan(φ)
- 4c = s + σ tan(φ)
Correct answer
s = c + σ tan(φ)
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