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This material is protected under all copyright laws as they currently exist. Force F acts on the frame such that its component acting B along member AB is lb, directed from B towards A, and the component acting along member Mechabics is lb, directed from B towards C. Determine the z length of the cable and express the N force acting at A along the cable as a Cartesian shatics. Determine the angle u between the cables AB and AC. The direction angle u of FR, Fig. B The angle u can be determined using law of sines Fig.

Determine the magnitudes of the components of F acting z along and perpendicular to segment BC of the pipe assembly. Determine the magnitude of the resultant force acting on y the plate and its direction, measured counterclockwise from F3 N the positive x axis.

Determine the angle u between BA and BC. In order for FR to be minimum, it must act perpendicular to F. The force vector F must be determined first. Express the result in terms of the magnitudes of the components F1 and F2 and the angle f.

Specify the coordinate direction angles of F1 and F2 and z express each force as a Cartesian vector.

First determine the position vector rAB. Resolve b this force into two components acting along the lines aa F a and bb.

B mm Solution Position Vector. Using this result to apply Law of sines, Fig. Determine the angle u between the two cables attached to z the pipe. Express F1, F2, and F3 as Cartesian vectors. Engineering mechanics statics 14th edition hibbeler solutions manual.

If N, and N, determine the magnitude and coordinate engijeering angles of the resultant force acting on the flag pole. Determine the z magnitude of the projected component of F1 along the line of action of F2. Express the force F in Cartesian vector form if it acts at the z midpoint B of the rod.

Remember me on this computer. Sign Up Already have an access code? Then, apply the law of sines, sin u sin The engine of the lightweight plane is supported enginneering struts that z are connected to the space truss that makes up the structure of the plane.

Determine the magnitudes of the x, y, z components of F.

Express force F as a Cartesian vector; then determine its z coordinate direction angles. Staatics the magnitude and coordinate direction angles z of the resultant force and sketch this vector on the coordinate system.

Applying the law of consines to Fig. Express z this force as a Cartesian vector acting on A and directed toward B as shown. Determine the x and y components of each force acting on y the gusset plate of a bridge truss.

The positive sign indicates that this component points in the same direction as uBA. Summing the force components algebraically along the mecbanics and y axes,: Determine the magnitude of force F so that the resultant FR 8 kN of the three forces is as small as possible.

The load at A creates a force of 60 lb in wire AB. Two forces Manuwl and F2 act on the screw eye. The 8-m-long cable is anchored to the ground at A. The coordinate direction angles of F are 1 1 cos cos Determine the magnitude of the projected component of z the lb force acting along the axis BC of the pipe.

Applying the law of cosines to Fig. Express this component as a Cartesian vector. Enginering three supporting cables exert the forces shown on the z sign. The unit vectors u and u of F and F must be determined first. Log In Sign Up. Represent each force as a Cartesian vector.