# L10 - Exam I Next Friday(2/22 Covers chapters 1-3 1 crib...

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Exam I • Next Friday (2/22) • Covers chapters 1-3 • 1 crib sheet – double sided • 4 problems (100 points)

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ρ : radial distance from neutral axis to C y: radial distance from neutral axis c: radial distance from neutral axis to the surface Bending
M: moment (couple) y: distance from the neutral surface I: moment of inertia of the cross section I My x = σ Elastic flexture formula S M I Mc m = = c I S = S: elastic section modulus

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How to find NEUTRAL AXIS ? ?? use the first moment : = = A ydA Q 0 Y is the distance from the neutral axis. Goal: Find ** * y A y A =

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L10 - Exam I Next Friday(2/22 Covers chapters 1-3 1 crib...

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