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- 1. Problem No. 1: A series of cables are connected to a ring at B and D, as shown in the figure. For this system: a) Draw the FBD of point D. b) Determine the force in cable DB and cable DE. A B 100 lb. 15° 80 lb. 45° EDuring the downward portion of a biceps curl the velocity of the dumbbell is held constant. If the dumbbell weighs 50 N what is the internal force produced by the muscles? a. 50 N b. < 50 N c. > 50 N d. need more information5. Determine the force exerted by the cable at B and the reaction at support A for the bar shown. You may assume the bar is massless for the analysis. Write your answers using 3 significant digits. y A 900 N Cable B 22° C 40° 300 mm 250 mm
- If rope BC will fail when the tension becomes 45 kN, determine the greatest vertical load Fthat can be applied to the beam at B. What is the magnitude of the reaction at A for this loading? Neglect the thickness of the beam. 26 kN F C 13 12 B 2 m 4 mCustomer Location-X Location-Y Demand A 100 410 3500 B 890 450 1300 C 510 50 1500 D 250 125 4000 Using a center-of-gravity model calculation, along with the location and demand data provided above, the best candidate location for a facility to serve these four customers is closest to ________. Group of answer choices X=210, Y=190 X=320, Y=250 X=490, Y=280 X=540, Y=3004
- A mass in translational equilibrium experiences 3 forces. Select the case that most fully and accurately describes the scenario. I. The magnitudes of the 3 forces are equivalent. II. The angles between the 3 vectors are 120 degrees. III. The vector sum of the 3 forces equals 0N. IV. All 3 forces are parallel. A. III only B. I only C. I and III only D. IV only E. II and III onlyA 0.50-mm-radius fishing line made of nylon is 100 m long when no forces are applied. A fish is hooked and pulls with a tension force Of 250 N. What is the elongation?