R-631 N. If the line of action of the resultant of the two forces passes though O, what is the ratio a/b? R+ Answer: a O. R/2
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- 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.Q3: If the resultant force acting on the bracket is to be 800N directed along the positive xaxis, determine the magnitude of and direction (F). 325 N 112 600 N600 N 2) Determine the resultant R of the two forces shown by (a) applying the parallelogram rule for vector addition and (b) summing scalar components. 400 N 60 Ans. (a) R= 529 N (b) R= - 100 + 520 j N
- Q2. Find the resultant ( R ) of the force system shown. Show its position with resnect to point (O). Also show where it cuts both x – and y- axes. 200N SooN 600 N-m 2m 150 N 5mQ2: Determine the magnitude of the resultant moment about A. Also, find the location of the resultant forces. 8kN 6kN 4kN ** 1-5m 2m2. Determine the following: a) Magnitude of the projected component of along the line of action of F2 b) Angle 0 between the two cables attached to the pipe. F, = MN Ib 120 60° F, = SN Ib 1.5 m 3. The guy wires are used to support the telephone pole. Represent the force in each wire in Cartesian vector form. Neglect the diameter of the pole F= MNN F: = FN N 4 m 2 m D. 4 m 3 m y
- Q2. Find the resultant ( R) of the force system shown in the figure. Show its position with - respect - to point C. Also show where it cuts the x- axis. 400 N 300N 3 m 5 m 2500 N-m 45 600N LutQ2: Determine the magnitude of the resultant moment about A. Also, find the location of the resultant forces. 8kN 6kN 4kN 2m I-Sm 2m6. Determine the magnitude of the resultant of the given concurrent forces.F1= 800 N; along (+) x- axis, F2= 400 N; -210˚, F3= 400 N; 240˚, F4= 800 N; S 30˚E. (A) 1063.71 N (B) 851.906 N (C)1121.86 N (D)1092.82 N (E)None of the Above
- 3.) Determine completely the resultant of coplanar concurrent force system shown in the figure. y 400N 300N 409 30° 4 3 200N 722N 3. 2.Determine the magnitude and direction of the resultant of the following forces: 50 N at 50 degrees,60 N at 120 degrees,40 N at 220 degrees,30 N at 330 degrees. All angles are measure from the positive x-axis. Use the component method. Select one: a. 75 N: 42º b. 50 N: 87º c. 54 N: 87º d. 101 N: 89ºQ2/ Find the resultant force for the concurrent coplanar force system, shown in figure 60° K 80N 55N 120N