2. Determine the equivalent force-moment system about point A for the loads shown on the wooden boom assembly. 2 ft 150 lbf B -2 ft2 ft 200 lbf 2 ft 30% 200 lbf 2 ft 30° 150 lbf
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- Replace the system of forces acting on the frame as shown by a resultant R at A and a couple acting horizontally through B and C. Force on top 10 kN, bottom left is 40 kN, and bottom right is 50 kN. 1m A 3 m 2 m 4 m OR= 20KN, B = 95KN, C= -95KN OR- -20KN, B = -95kN, C = 95KN OR= 20KN, B = -95KN, C = 95kN OR=-20KN, B = 95KN, C = -95kN mathalino,comIn the equilibrium position shown, the resultant of the three forces acting on the bell crank passes through the bearing O. Determine the vertical force P. Does the result depend on 0? 77 lb 8" 24° $ 46 lb Answer: P = i O 10" lbFind the resultant of the forces on the truss shown below. Reference the resultant with respect to point B. Note: Calculate the angle relative to the horizontal for the 6 kN sloped force before you can draw the force triangle for the 6 kN force (this will involve using a trig equation). Include a sketch to support this trig equation.
- The pedal chain unit of a bicycle is shown below. The left foot of the rider exerts a force F = 35.2 N, while the use of toe-clips allows the right foot to exert a nearly upward 80 N force. Treat the problem as two-dimensional. Determine the resultant force at o in N. 30 15 160 mm 80 N 160 mm 5° Leave a meCompute the moment (positive if counterclockwise, negative if clockwise) of the 0.32-lb force about the pivot O of the wall-switch toggle. F = 0.32 lb 15° Α΄ Answer: Mo = lb-in. 31° 0.800"Solve for the resultant force. F4 F1 F3 1 m F2 125 m 125 m F1 = 602 N F2 = 107 N F3 = 105 N F4 = 382 N
- Determine the required magnitude of force F if the resultant couple moment on the frame is 200 lb.ft clockwiseQ2. Choose the correct answer from a-b-c-d. 1- Determine the magnitude and direction of the moment of the force of the movement if the force at A about point P. a- Mp = 1440 NmC b- Mp = 1440 Nm Ɔ 2 m 4 m c- Mp = 600 NmC 1315 12 d- Mp = 600 Nm 260 N 3- The refrigerator has a weight of 200 lb and a center of gravity at G. Determine the force P required to move it. Will the refrigerator tip or slip? Take H = 0.4. %3D a- P = 80 lb Slips b- P = 75 lb Tips 4 ft 1.5 ft 3 ft c- P = 75 lb Slips d- P = 80 lb Tips 3 ftReplace the force and couple moment system by an equivalent resultant force (Figure 1). Assume F₁ = 16 lb. Figure F₁ T 3 ft 4 ft -5 ft F₂=10 lb y M₂= 100 lb-ft 10 -3 ft- 5 F₂ = 50 lb Tin M, 170 lb-ft X Determine the magnitude of the equivalent resultant force. Express your answer in pounds to three significant figures. FR = 54.9 lb Submit ✓ Correct Part B Determine the direction of the equivalent resultant force. Express your answer in degrees to three significant figures. Previous Answers 0= 29.1 VAΣ 1 vec ΑΣΦ Part C Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining Submit 1 Specify its coordinate point of application (0, y) on the y axis. Express your answer in feet to three significant figures. y = -3.52 ft Previous Answers ✓ Correct < Return to Assignment MIC ? Provide Feedback °, measured clockwise from the positive z axis.