2-66. The chandelier is supported by three chains which are concurrent at point O. If the resultant force at O has a magnitude of 650 N and is directed along the negative z axis, determine the force in each chain. FB Fc FA 1.8 m 120 120 1.2 m У -120° х

The 700-Ib force acting on the frame is to be resolved into the two components acting along the axis of the struts AB and AC. If the component of force along AC is required to be 300 Ib, directed from A to C, determine the magnitude of the force acting along AB and the angle e of the 700-Ib force.

2-117. Determine the magnitude of the projected component of the 100-lb force acting along the axis BC of the pipe. 2-118 Determine the angle between pipe segments BA and BC. Problems 2-117/118 2 ft C B 6 ft F = 100 lb 8 ft D y

Determine the magnitude of the smallest force F3 so that the resultant force of all three forces has a magnitude of 26.5 lb.

2 m F₂ = 40 N T 3 m A F₁ = 70 N 3 m C -3 m 4 m x 2m B Determine the magnitude of the projection of the force F₁ along cable AC. Determine the angle between the two ropes.

find the sum of the moments of the Forces in kN.m about Point O, (positive in the counter- clockwise direction). F1 = 60 kN and F2 = 22 kN. 15 m 9 m F1 kN F2 KN

< Three forces act on the bracket. Determine the magnitude of F₂ so that the resultant force is directed along the positive u axis and has a magnitude of 56 lb. F3 = 52 lb F₁ = 80 lb

Replace the force system acting on a plate by a single force and determine where the line of action of this force intersects the x-axis and the y-axis. y 180 N 240 mm- 300 N 70° 15° 63 N.m 120 N 500 mm 60 N.m 180 mm 150 mm -300 mm- X -600 mm-

Replace the loading acting on the beam by a single resultant force. Take F1 = 480 N , F2 = 310 N , F3 = 710 N . Determine the magnitude of the resultant force. Determine the angle between the resultant force and the x axis.

2-105. The pipe is supported at its end by a cord AB. If the cord exerts a force of F 12 lb on the pipe at A, express this force as a Cartesian vector. = FAB = lb X 3 ft A B Z F = 12 lb 20° 6 ft 5 ft y