Mechanical Properties of Solids
Telangana Open School (TOSS) · Class 12 · Physics
All formulas from Mechanical Properties of Solids in Telangana Open School (TOSS) Class 12 Physics. Key equations, constants, and identities for board exam preparation.
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Formulas
Stress and Strain
Stress = F / A
Linear Strain = ΔL / L
Volume Strain = ΔV / V
Shearing Strain = Δx / y = θ
Hooke’s Law and Moduli of Elasticity
Stress ∝ Strain → Stress / Strain = E
Young’s Modulus (Y) = (F/A) / (ΔL/L) = FL / AΔL
Bulk Modulus (B) = ΔP / (ΔV/V) = VΔP / ΔV
Rigidity Modulus (η) = (F/A) / θ = F / Aθ
Poisson’s Ratio (σ) = Lateral Strain / Longitudinal Strain = (Δd/d) / (ΔL/L)
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