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Angular Motion (Moment of inertia and distribution of mass around an axis,…
Angular Motion
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Newton's 1st law
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"A rotating body will continue to turn about it's axis of rotation with constant angular momentum unless an external rotation force is exerted upon it (torque)
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Torque can be increased through decreasing the cross sectional area of an object rotating (smaller = more torque)
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Newton's 2nd law
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"The rate if change of angular momentum of a body is proportional to the torque causing it and the change takes place in the direction which the torque acts"
Newton's 3rd law
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" When torque is applied by one body to another, the second body, will exert an equal and opposite force on the other body"