5-27. As an airplane's brakes are applied, the nose wheel exerts two forces on the end of the landing gear as shown. Determine the horizontal and vertical components of reaction at the pin C and the force in strut AB. 400 mm 20° 600 mm 2 kN 4/8 6 kN

Determine the tension in the cable and the components of the reactions of the bolt at A, considering that the pulley at D is frictionless and that the cylinder has no friction and that the cylinder has a weight of 80 lb.

Help ASAP! F: 795 N, d: 0.90 m, e: 1.85 m, f: 1.95 m

Consider the following system in static equilibrium. Force vector Facts at a distance from the pin support at point O. Draw appropriate FBD as necessary. Assume frictionless pulleys If the reaction forces at O is zero and magnitude F is 169N, a. Find F and "a". (F need not necessarily be in the 4 quadrant as shown below) b. Find reaction forces at B. 4m Im 5m 12

4-59. The coefficient of static friction between the drum and brake bar is 4, = 0.4. If the moment M = 35 N-m, determine the smallest force P that needs to be applied to the brake bar in order to prevent the drum from rotating. Also determine the corresponding horizontal and vertical components of reaction at pin O. Neglect the weight and thickness of the brake bar. The drum has a mass of 25 kg. 300 mm -700 mm- B. F125 mm 500 mm P A

Based on Problem 5-87 from the textbook. Both pulleys are fixed to the shaft and as the shaft turns with constant angular velocity, the power of pulley A is tramsitted to pulley B. Determine the horizontal tension T in the belt on pulley B and the x, y, z components of reaciotn at the journal bearing C and thrust bearing D. The bearings are in proper alignment and exrt only force reactions on the shaft. F₁ = 70 N F2=80 N Unique Values for F 300 mm F3 = 40 N 8= 44 44° 250 mm 200 mm F₁ F2 80 mm A 150 mm B

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The ramp of a ship has a weight of 250 lb and a center of gravity at G. Determine the cable force in CD needed to just start lifting the ramp, (i.e., so the reaction at B becomes zero). Also, determine the horizontal and vertical components of force at the hinge (pin) at A.

5-28. The hatch door has a weight of 80 lb and cente gravity at G. If the force F applied to the handle at C coordinate direction angles of a = 60°, B = 45°, y = 60°, determine the magnitude of F needed to hold door slightly open as shown. The hinges are in pr alignment and exert only force reactions on the d Determine the components of these reactions if A ex only x and z components of force and B exerts x, y, z f components. z 4 ft ---3-72 3 ft C Prob. 5-28 B X F

4/20 Determine the force in each member of the pair of trusses which support the 5000-lb load at their com- mon joint C. 5000 lb D 60 60% G, F 60° A 60° E Problem 4/20