AngularMomentum - Angular Momentum Finally, lets look at...

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Angular Momentum Finally, lets look at angular momentum . The rotational equivalent of linear momentum is called angular momentum. Just as with torque, the strength of the angular momentum also depends on the distance away from the rotational axis. So, we define angular momentum as L r p rp rmv mr I = × = = = = θ ϖθ ϖ 2 (15.1) Just as we had the law of conservation of linear momentum, we find that angular momentum is also conserved. We can state the principle of conservation of angular momentum as: When the sum of the external
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