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- I'm stuck at establishing the Moment at O for both circles. I don't know how to find the force.PROBLEMS Introductory Problems 2/111 The weight of the computer system is 80 lb with center of gravity at point G. Determine the moment Mo of this weight about point O on the horizontal table top. Find the magnitude of Mo. -320i + 160j lb-ft, Mo Ans, Mo 358 lb-ft %3D 48". 9" 24" Problem 2/111 oo E obout point 0Same situation as the previous problem. Which expression is a correct application of summing the moment about the instantaneous center of zero velocity (IC) with CCW positive? a. Ffr= -¹/2 mr²a b. c. d. e. Ffr-mgr cos 0 = -³/2 mr²a -mgr sin = -³/2 mr²a -mgr cos 0= -¹/2 mr² a none of the above (Note: I assume a is CW, so the negative signs in the RHS are intentional and are not a reason to choose e.) 5. Four slender rods of 5 kg each are pinned at O as shown. The system is at rest in the horizontal plane when a 90 N force is applied as shown. How fast is the assembly spinning after 3 seconds? c. d. e. a. 86.9 rad/s b. 21.7 rad/s 22.5 rad/s 27.2 rad/s none of the above G 15°- 0 0.8 m 90 N 8↓ Hs Hk 0.4 m
- 6. Locate the center of mass, COM, on the bodies below then label all of the forces acting on the body in these two positions. Note: the force of gravity will be directed straight down and is located at the center of mass. Rotating clockwise (unstable) Torque, t, is a "rotational" quantity defined by a simple equation t = Fxd, where both F and d must be perpendicular to each other. Sometimes it is advantageous to find the force component that is perpendicular to d (the distance to the pivot point). Other times it is easier to leave the force and find the perpendicular distance instead. Not Rotating (stable) On the diagram above extend each force of gravity vector so that it reaches the floor. The "pivot" will be the toes. The perpendicular distance will be the distance along the floor between the toes and the extended force of gravity. Label these distances on the diagram. Using these labels, explain why the person on the left rotates clockwise while the person on the right experiences…The commercial airliner is drawn here with three - dimensional information supplied If engine 3 suddenly fails determine the resultant of the three remaining engine thrust vectors, each of which has a magnitude of 90 kN. Specify the y- and z - coordinates of the point through which the line of action of the resultant passes. This information would be critical to the design criteria of performance with engine failure. c= 98kn, d= 11m, e = 10m16 - Find the center of gravity M (x,y,z) of the three-dimensional homogeneous ABCD wire in the figure by using the coordinate set. The dimensions of the wire are a= 24 cm, b= 36 cm. In which of the following options are the coordinates of the homogeneous wire in the x, y and z axes given correctly?A) (23.57 ; 11.43 ; 17.14)B) (23.57 ; 17.14 ; 11.43)C) (28.29 ; 13.71 ; 20.57)D) (20.61 ; 13.03 ; 9.08)E) (28.29 ; 20.57 ; 13.71)
- For the position vectors P and Q shown, determine the orthogonal component of P Ă— Q in the direction of OA.EHide n4 The moment of the force F=960-lb about the point O in Cartesian vector form is. ed out of 1 ft> 4 ft 2 ft 4 ft Select one: O a. Mo = 1600j – 3200k O b. Mo = –200j + 400k O c. Mo = -200j – 400k Activate Window Go to Settings to activ O d. Mo = 2003 + 400kFind the maqnitude omt directiom of the resultant forces? Solf
- PLEASE ANSWER IN COMPLETE AND CLEAR SOLUTIONS. INCLUDE NECESSARY FREE-BODY DIAGRAMS. The line of action of force F1 = 377 N is passing through point A(+2,+3,+1) towards B(+5,+5,+4), while that of force F2 = 466 N is through point C(+3,+1, –1) towards D(–2, –3, –4). Use a right-handed coordinate system. a. Determine the moment of force F1 about the origin.b. Determine the moment of force F2 about the origin.c. Determine the magnitude of the resultant moment of forces F1 and F2 about segment OE. Point O is the origin and point E is at (+5,+5,–3).Pl6-L Set up the relative velodity equalion between points A and B. -3mInatwo-dimensional tug-of-war, Alex, Betty, and Charles pull harizantally on an automohile tire at the angles shown in the picture. The tire remains stationary in spite of the three pulls. Alex pulls with force F, of magnitude 213 N, and Charles pulls with force 7 cof magnitude 189 N. Note that the direction of F cis not given. What is the magnitude of Botty's force Faif Charles pulls in (a) the direction drawn in the picture or (b) the other possible direction for equilibrium? Alex Chles 133 Bety (a) Number Units (b) Numberi Units