Statics of Rigid Bodies Chapter V Friction Prob 6 Part I (Philippines)

Part I Statics of Rigid Bodies
Chapter V Friction
Problem 6
A plank 7m long is placed on rough inclined planes
at an angle of 12 degrees with the horizontal as shown
in figure 40.0. The angle of friction is 10 degrees at both
ends. if the weight of plank is 1.5 kN concentrated at
4m from end A, determine the minimum distance x from
B at which a load Q=2 kN can be placed before slipping
impends.

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