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Unformatted text preview: chain, so the line of action of is tangent to the sprocket wheel, and the moment arm is the radius r s of the sprocket wheel ( Figure 9-23 ). 1. The angular velocity is related to the angular acceleration and the time: Answer: 2. Apply Newtons second law for rotational motion to relate to the net torque and the moment of inertia: Answer: 3. The only torque acting on the system is that due to the applied force F with moment arm r s : Answer: 4. Substitute this value for the torque and I = MR 2 for the moment of inertia: Answer: 5. Substitute into the step-1 result and solve for the angular velocity after 5.0 s: Answer:...
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- Spring '08