10 Rotational Motion–I

10.1 The Rotational Variables

10.1.1 Angular Displacement Vector

10.1.2 Angular Velocity Vector

10.1.3 Angular Acceleration

10.1.4 Finite Rotations

10.1.5 Infinitesimal Rotations

10.2 Kinetic Energy of Rotation

10.3 Calculating the Rotational Inertia

10.3.1 (a) Hoop about central axis

10.3.2 (b) Annular cylinder about central axis

10.3.3 (c) Solid cylinder about central axis

10.3.4 (e) Thin rod about axis through center perpendicular to length

10.3.5 (g) The spherical shell about any diameter

10.3.6 (f) Solid sphere about any diameter

10.3.7 (h) Hoop about any diameter

10.3.8 Parallel-Axis Theorem

10.3.9 (d) Solid cylinder about central diameter

10.3.10 (i) Slab about perpendicular axis through center

10.4 Torque

10.5 Newton’s Second Law for Rotation

10.6 Work and Rotational Kinetic Energy

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Unlike the linear displacement,
the angular displacement vector for the resulting rotation can not be taken to be the sum of the two angular displacement vectors that describe the two consecutive rotations.

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