Question: The quarter-circular slotted arm OA is rotating about a horizontal axis through point O with a constant counterclockwise angular velocity = 7 rad /sec.

The quarter-circular slotted arm OA is rotating about a horizontal axis through point O with a constant counterclockwise angular velocity Ω = 7 rad /sec. The 0.1-lb particle P is epoxied to the arm at the position R = 60°. Determine the tangential force F parallel to the slot which the epoxy must support so that the particle does not move along the slot. The value of R = 1.4 ft.

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