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The uniform ladder of weight 25 lb rests along the vertical wall of a building at A and on the roof of a house at B. The surfaces at A and B are...

The uniform ladder of weight 25 lb rests along the vertical wall of a building at A and on the roof of a house at B. The surfaces at A and B are assumed frictionless. find the angle theta (in degrees) for equilibrium and the reactions at A and B.

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Solution: First of all we will draw the FBD of the ladder. Since there isn’t any friction in the wall and the roof, so at A and B there won’t be any
vertical reactions.
Let RA and RB are the...

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