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I rod AB of mass m and length initially standsvertically with the end B above end A. The end A of therod is pivoted. The rod is free to rotate is a vertical planeabout a horizontal axis passing through the end A. X andy directions are as shown. Y-axis is parallel to the rod.The rod is then given a negligible push to a side and the rodrotates. When the rod has turned through an angle of 90°a) the angular speed of the rod isb) the I - component of the pivot reaction isthe Y-component of the pivote reaction is 4mgd) the X-component of the pivote reaction is in thenegative I - directionROUGH WORK |
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