Solution of the D6 version 78 of Reshebnik Targ SM 1983 - Course of Theoretical Mechanics.
CONDITION TO THE PROBLEM D6 (pg. 50-52 in the training manual Targ SM 1983.):
The mechanism located in a horizontal plane, is in equilibrium under the action of applied forces: the equilibrium position is determined by the angles α, β, γ, φ, θ (Figure D6.0 - D6.9, Table D6..).
Long rod mechanism (crank or rocker) are: l1 = 0,4 m, l4 = 1,0 m (dimensions l2 and l3 are arbitrary); Point E in Fig. 2 - 6 is in the middle of the respective rod.
On the mechanism of action: in Fig. 0-2 - the force F, applied to the D slider, and a pair of forces with the moment M applied to the shaft 1; Fig. 3-9 - the couple of forces with the moments M1 and M2 applied to terminals 1 and 4.
The system is balanced by the power of the Q parallel Bb, attached to the slider B. Determine what is and in what direction the force is directed.
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