Chapter 2, Problem 129P

If F1 = 30 lb and F, = 40 lb, determine the angles e ana o so that the resultant force is directed along the positive x axis and has a magnitude of FR=60 lb. F,

F2-20. Determine the length of the rod and the position vector directed from A to B. What is the angle 0? IB 2 m 2 m

Determine the angle between the force F=[4i + 8j+ 13 k] kN and the pole OA. 2 m -2 m 1m A A

The three forces of magnitude P can be replaced by a single, equivalent force R acting at point A. Determine the distance x and the magnitude and direction of R.

F2-13. Determine its coordinate direction angles of the force. 30 F=75 lb

Force F acts on the frame such that its component acting along member AB is 650 lb, directed from B towards A, and the component acting along member BC is 500 lb, directed from B towards C.Determine the magnitude of F and its direction 0. Set = 60°. B 45°

Determine the position vector r directed from point A to point B and the length of cordAB. Take z = 4m.

Three forces act on the bracket. The resultant force is directed along the positive x* axis and has a magnitude of 8 kN. Determine the magnitude of F. Determine the direction θ of F.

2-81. Determine the angle e between the two cables attached to the post. F = 400 N 35° 120° 60° 20° F2 = 400 N