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A question about kinematics of a rigid rotor
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[QUOTE="CWatters, post: 5451342, member: 423469"] It's been a long time since I did this but... It's because you have one rotating disc mounted on another rotating disc. Suppose you stand at the north pole and turn around slowly with respect to planet earth. Then your angular velocity relative to the [U]sun[/U] is equal to.. w1 + w2 + w3 where w1 is your angular velocity relative to the earth. w2 is the angular velocity of the Earth relative to the sun (approximately 360 degrees per day) w3 is the angular velocity of the Earth as it orbits the sun (approximately 360 degrees per year) The velocity of D with respect to B = (Velocity of C with respect to B) + (Velocity of D with respect to C) where "+" means vector addition Points E and C are on the same axis. So the velocity of E relative to B is the same as the velocity of C relative to B. [/QUOTE]
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A question about kinematics of a rigid rotor
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