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Beam / Shelf Against a Wall
Beam / Shelf Against a Wall
15. Rotational Equilibrium / Beam / Shelf Against a Wall / Problem 5

A uniform horizontal sign post has a mass M and length L, and is fixed at one end to a vertical pole. A support cable, which makes an angle theta with the horizontal, stabilizes the sign post. A bird of mass mm lands on the post, positioned a distance xx from the pole. Determine the vertical and horizontal components of the force exerted by the sign post on its fixed point (pole) as a function of xx .

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