phy2048 lecture21

# phy2048 lecture21 - 10-1 What Is Physics 10-2 The...

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Unformatted text preview: 10-1 What Is Physics? 10-2 The Rotational Variables 10-3 Are Angular Quantities Vectors? 10-4 Rotation with Constant Angular Acceleration 10-5 Relating the Linear and Angular Variables 10-6 Kinetic Energy of Rotation 10-7 Calculating the Rotational Inertia 10-8 Torque 10-9 Newton’s Second Law for Rotation 10-10 Work and Rotational Kinetic Energy Chapter 10: Rotation Chapter 10 Homework 1, 6, 10, 13, 20, 25, 30, 33, 36, 41, 47, 51, 52, 58, 61, 66 Examples: Newton’s 2 nd Law Sample Problem 10-6 . Rotational Inertia Known: m and L Find: I Sample Problem 10-9 . Known: m , M , and R Find: α , a , and T F mg Linear Motion Work, Energy, Momentum Fs W Fds dW = = Rotational Kinetic Energy 2 2 1 R ϖ I K = 2 2 1 T mv K = Power τ ϖ = = dt dW P Fv P = Work τ θ = W θ τ d dW = Work-kinetic energy theorem Conservation of mechanical energy = ∆ + ∆ ∆ = U K K W Examples Sample Problem 10-8 . Kinetic energy of a rotor Μ = 272 kg, R = 38.0 cm, ϖ...
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phy2048 lecture21 - 10-1 What Is Physics 10-2 The...

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