1. A Crane lifts the end of a drainpipe. If the crane provides a force of 8000 N acting along the line CB, Calculate the moment created about the point A using coordinate system indicated. INN 600 N B 2 m 7m 5 m A 4 m
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- Express the 40 lb force in the rope from point A to point C in cartesian format. Point C is in the x-y plane and at an angle of 20 degrees from the y axis as shown. 4 ft 20 lb A B 3 ft X 40 lb Z 2 ft 1.5 ft 4.87i+27.6j - 28.5k lb -4.87i+27.6j + 28.5k lb -4.87i+27.6j - 28.5k lb 4.87i+22.8j - 32.5k lb 2 ft 20 y CQ Avecar A f Length 10 units.ma Kes an angle of 30 with avector Bof benath 6unuts. Find the wagnitude of the Vector difference A-B and the angle itmakes with vector A- O by the para llelagram method. O by the triangle methad. © bay the rectamqular vesalutien.i need help solving for F ite the force F in Cartesian vector form and determine the direction cosines. Use point C as (1.5, -1, 3)ft. S: lb, 115°, 73°, 149° F-80 lb 311 6 ft
- 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: 89ºThe bucket of the excavator at a construction site is subjected to F = 1530 lb and F, = 790 lb digging forces at its tip. Determine the magnitude and direction of their resultant. Use the vector algebra and vector polygon methods. Compare the answers with the two methods to verify the accuracy of your work. (Express your answers using four and three significant figures, respectively. Report the direction as an angle between 0 and 180°, clockwise or counterclockwise.) R = lb v from i Select5. A person pulls on a rope with a force of 100 lbs as shown below. What is the moment about point A as a result of this pulling force? Answer: 3034 ft-lb CW 200 le 10 ft 18 ft Gin A * 40 ft SA
- In (Figure 1), F1 = 80 lb and F₂ = 30 lb. Figure M₁ = 5. ft Submit 30 0 4 ft 45 4 6 ft 120 Determine the resultant moment of the two forces about the a axis Express the result as a Cartesian vector Enter the components of the moment separated by commas. Express your answer in pound-feet to three significant figures. AEO I vec ^ d Previous Answers Request Answer 60 ‹ X Incorrect; Try Again; 5 attempts remaining 1 of 1 C EMC ? ilb-ft j lb-ft, k lb-ftind the resultant of the following forces by polygon method: F1= 12N, 270 degrees: F2= 24N, 30 degree north of west; F3=15 N, 75 degree south of west; and F4=32 N, 50 degree south of eastQI5: Delermhe The resultant o. The forces shoan in figure () 4 KN 6.A 48KN CAKN 2 KN 54 KN Fy-(15)
- 2. 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 ySTATICS AND STENGITH OF MATERIALS Question: Determine the moment of the force F about: a) Point A. 4 ft b) An axis extending between A and C. Given that F = {3i+10j-3k} Ib. Express the results as a Cartesian vector. 2ft2:56 90 0t O 22 classroom.google.com/u/ 8 ميكانيك هندسي sOi Jbls ara A prybar in used to remove a nail an shown. De termine the moment of the 240-N foree about the point O of contact between the prybar and the small support block P30N 16m 240 N 350 mm PROBLEM 3/s a A man esertaa farce Fon the handle of the stationary wheelbarruw at A. The weight of the wheelburrow along with ita load of dirt is t85 Ib with center of gravity at G. For the eonfiguration shown, what fore F muat the man apply at A to make the net moment about the tire contact pint equal to er 30 mm PROBLEM 2/33 Representative Problems 34 An everhead view of a door ia shwwn. If the com presnive foree F acting in the ceupler arm of the hy draulic door closer ia 17 Ih with the orientation ahown, determine the mement of this force about the hinge axis O PROBLEM 2/36 aT A 150-N pul Tin applied te a cord, which is wound ecurely around the inner hub of the drum Determine the moment ef T about the drum eenter C. At what angle e…