# PHY11T3RM - ROTATIONOFRIGID BODIES( Kinematics of...

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ROTATION OF RIGID  BODIES (Kinematics of Rotation)

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Kinematics of Rotational Motion =  r   θ θ   =s / r v  = r ω ω   = v / r α   = a T  / r f   = 1 / T Review : Linear to Angular and vice versa
Kinematics of Rotational Motion θ is in radians Angular Displacement – change in angular  position θ 1 θ 1 θ 2 θ 1 θ 2 Δθ Δ θ  =  θ 2  –  θ 1

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Kinematics of Rotational Motion θ is in radians θ 1 @ Time = t 1 θ 1 θ 2 @ Time = t 2 θ 1 θ 2 Δθ Δt = t 2 - t 1 Angular Velocity – rate of angular displacement per unit  time ω = Δ θ  / Δt Average Angular Velocity ω(t) = d θ  / dt Instantaneous Angular Velocity ω is in rad/s
Kinematics of Rotational Motion θ is in radians ω 1 @ Time = t 1 θ 1 ω 2 @ Time = t 2 θ 1 θ 2 Δω = ω 2 − ω 1 Δt = t 2 - t 1 Angular Acceleration – rate of change in angular velocity per  unit time α = Δ ω  / Δt Average Angular Velocity α(t) = d ω  / dt Instantaneous Angular Velocity α is in rad/s 2

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PHY11T3RM - ROTATIONOFRIGID BODIES( Kinematics of...

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