Determine the resultant.
Classical Mechanics
Level
pending
Determine the resultant of the forces acting on the body as shown.
113.4 kN
120.4 kN
100.4 kN
321 kN
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1 solution
Rx = ∑Fx = 86 cos 39 + 51 cos 67 + 70 sin 44 - 30 sin 63 - 4.1 cos 50 = 106.02 kN
Ry = ∑Fy = 86 sin 39 + 51 sin 67 + 4.1 sin 50 - 70 cos 44 - 30 cos 63 = 40.23 kN
R = √(Rx² + Ry²) = √(106.02² + 40.23²) = 113.4 kN