The 66-m microwave transmission tower is steadied by three guy cables as shown. Cable AB carries a tension of 18 kN. Express the corresponding force on point B as a vector. A 66 m 35 m D 11 m B 38 m 27 m> 22 m 21 m 34 m
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- The 63-m microwave transmission tower is steadied by three guy cables as shown. Cable AB carries a tension of 13 kN. Express the corresponding force on point B as a vector.If a vector force F = -7i+10 j+6k [kN], what will be the coordinate direction angle with the Z-axis: Select one: O a. y = 80.8 O b. y 36.8239 O c.y= 116.566° O d.y = 63.823°4 250N GOON 30⁰ F3 450N F₁ 300 N * Determine the resultant force and it's direction, measured counterclockwise from the positive x axis.
- SAQ 1 1.2 m D 80 kN m An 80-kn. m couple shown in the plate is caused by a pair of parallel forces of magnitude F (not shown). 1.6 m Determine: a) the smallest possible value of F, and b) the value of F if the forces act at points A and C and are parallel to the dashed line shown at A. А В 60°2. The automobile engine block is suspended by a system of cables. The mass of the block is 200 kg. What are the tensions in cables AB and AC?16 9. Three horizontal plastic ropes pull on a box which is stuck on the ground producing vector forces: A. B and C as shown. Find the magnitude and direction of the fourth force that will make the vector sum of the forces zero B = 40 N A 50 N 30° 60° = 20 N Figure 20 Ans. 57.2N, 56.3° below -x-axis
- Knowing that the tension is 445 lb in cable AB and 530 lb in cable AC, determine the magnitude and direction of the resultant of the forces exerted at A by the two cables. B A 45 in. 40 in. с 60 in. 60 in. D x The magnitude of the resultant of the forces at A is |lb. The direction of the resultant of the forces in the x-direction is The direction of the resultant of the forces in the y-direction is The direction of the resultant of the forces in the z-direction is BIf a vector force F = 6 i +9j+2 k [kN], what will be the magnitude of this force: Select one: O a. F=12 [kN] O b. F=11 [kN] O c. F=0 O d. F=-11 [kN]alculate the forces in members AB, BH, and BG. Members BF and CG are cables which can support tension only. Forces are positive if in tension, negative if in compression. 8 KN 3 m B 3 m c 3 m D ty 52 52 52⁰ 52% Answers: AB= i BH = BG= i H i 11 kN E kN KN kN
- The 50-kg pipe is supported at A by a system of five cords. Determine the force in the cable AB for equilibrium: of 60° Select one: O a. T(AB) = 793.83 N O b. None of these T(AB) = 566.38 N O d. T(AB) = 493.83 NDetermine the magnitude of the x- component of force Q (in N) if P=96.4 N, Q = 55.2 N , 0= 55.53° and a = 49.46°.Round off only on the final answer expressed in 3 decimal places. Instead of units, indicate the direction of the x-component. Use R if to the right, L if to the left, U if upward or D if downward. y PThree people are pulling a heavy object along the floor with forces A, B and C as shown in the figure. What is the resultant (i.e. suml of the three forces? The forces are given by (all angles are CCW from + x-axis): A = magnitude 20 N, direction 30º. B = magnitude 40 N, direction 140°. C= magnitude 30 N, direction 240º. в А х-ахis