Mechanical Properties of Solids
CBSE · Class 11 · Physics
All formulas from Mechanical Properties of Solids in CBSE Class 11 Physics. Key equations, constants, and identities for board exam preparation.
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Formulas
2. Stress, Strain, and Sign Convention
Magnitude of the stress = F/A
Longitudinal strain = ΔL/L
Shearing strain = Δx/L = tan θ
Volume strain = ΔV/V
3. Hooke's Law and Stress-Strain Curve
stress = k × strain
4. Elastic Moduli
Y = σ/ε = (F/A)/(ΔL/L) = (F × L)/(A × ΔL)
G = (F/A)/(Δx/L) = (F × L)/(A × Δx)
G = (F/A)/θ = F/(A × θ)
σs = G × θ
B = -p/(ΔV/V)
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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