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CH-8: Rotational Motion

CH-8: Rotational Motion. What is the Rotational velocity of Earth?. Equations Sheet. Torque, τ. Torque depends on the applied force and lever-arm. Torque = Force x lever-arm. Torque is a vector. It comes in clockwise and counter-clock wise directions. Unit of torque = N•m.

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CH-8: Rotational Motion

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  1. CH-8: Rotational Motion What is the Rotational velocity of Earth?

  2. Equations Sheet

  3. Torque, τ Torque depends on the applied force and lever-arm. Torque = Force x lever-arm Torque is a vector. It comes in clockwise and counter-clock wise directions. Unit of torque = N•m

  4. Application of Torque: Weighing

  5. Rotational Inertia rotational inertia = mass x square of distance from axis.I =mr2Rotational inertia is a scalar. Unit for I = kg.m2

  6. Rotational Inertia of a baton

  7. Expressions for Several objects

  8. Angular Momentum or Rotational Momentum Angular momentum is the product of the rotational inertia and rotational velocity. L = I·ω Conservation of Angular Momentum

  9. Angular momentum and Bicycles

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