Energy Equations + Young Modulus 0.0 / 5 ? PhysicsWork, Energy, PowerA2/A-levelWJEC Created by: biran4454Created on: 08-02-22 09:36 Ke = 1/2 mv^2 1 of 14 Δgpe = mgΔh 2 of 14 Elastic Energy = 1/2kx^2 where k is spring constant 3 of 14 Specific Heat Capacity = mcΔθ 4 of 14 ΔU = Q + w 5 of 14 Mechanical Work = Fs 6 of 14 Electrical Work = VIt (vit not VLT) 7 of 14 SECTION 2 - YOUNG MODULUS AND STRESS/STRAIN hi :) 8 of 14 Units and symbol of tensile stress symbol σ, units Pa 9 of 14 σ = F / A 10 of 14 Units and symbol of tensile strain symbol ε, unitless 11 of 14 ε = ΔL / L 12 of 14 Young Modulus E = σ / ε 13 of 14 What does the area under a stress/strain graph represent? work done rearranging the internal structure 14 of 14
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