'Angular quantities' diaporamas de présentation

Chapter 9: Rotational Motion

Chapter 9: Rotational Motion. Rigid body instead of a particle Rotational motion about a fixed axis Rolling motion (without slipping). Angular Quantities. Kinematical variables to describe the rotational motion: ? Angular position, velocity and acceleration. Linear and Angular Quantities.

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??????. CH10 ?? ?????????? ???? ????. 10-1 Angular Quantities. Here is the correspondence between linear and rotational quantities:. 10-3 Constant Angular Acceleration.

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Chapter 9: Rotational Motion

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Moment Of Inertia

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Rotation of a Rigid Body (Chapter 10)

Rotation of a Rigid Body (Chapter 10). Each particle travels in a circle. The speeds of the particles differ, but each one completes a full revolution in the same time. We describe the rotational motion using angle , angular velocity , and angular acceleration:.

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Review of rotational motion

Review of rotational motion. Reference line. s i. ? i. s f. ? ?. ? f. ? i. ?s. ? ?. ? f. ? i. r. ?s. ? ?. r. ? f. ? i. r. a t. a t. v t. For increasing v t. For decreasing v t. Review of angular quantities. Displacements Speeds Accelerations. = ? i + ?t

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Rotation

Rotation. Another Kind of Motion. Rotational Motion. Applies to rigid bodies Also to liquids and gases All points move in circles about a line called axis of rotation. Angular Quantities. Angle q = l/r In radians 2 p r = 360 deg 1 radian = 57.3 deg Angular velocity(average) =

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Rotational motion, Angular displacement, angular velocity, angular acceleration Rotational energy Moment of Inert

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Rotational motion, Angular displacement, angular velocity, angular acceleration Rotational energy Moment of Inert

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Torqued

Torqued. An investigation of rotational motion. Think Linearly. Linear motion: we interpret position as a point on a number line velocity as the rate at which position increases acceleration as the rate at which velocity increases.

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Chapter 8: Rotational Motion

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Angular Momentum and Its Conservation

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