lf the beam AD is loaded as shown, determine the horizontal force P which must b

Question

lf the beam AD is loaded as shown, determine the horizontal force P which must be applied to the wedge in order to remove it from under the beam. The coefficients of static friction at the wedge's top and bottom surfaces are mu)CA = 0.25 and mu_CB = 0.35, respectively. If P = 0, in the wedge self-locking? Neglect the weight and size of the wedge and the thickness of the beam. The wedge is used to level the member. Determine the horizontal force P that must be applied to begin to push the wedge forward. The coefficient of static friction between the wedge and the two surfaces of contact is mu_s = 0.2. Neglect the weight of the wedge.

Explanation / Answer

solve the question as simple beam neumericals. calculate moments and shear force then use trignomentry and and consider a perpendicular from the wedges and find out the force.

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