The load has a mass of 15 kg and is lifted by the pulley system shown. Determine the force F in the cord as a function of the angle 0. Plot the function of force F versus the angle 0 for 0 ≤ 0 ≤ 90°.
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- 3-38. The sling BAC is used to lift the 100-lb load with constant velocity. Determine the force in the sling and plot its value T (ordinate) as a function of its orientation 6 where 0S0S 90°. *3-40. The load has a mass of 15 kg and is lifted by the pulley system shown. Determine the force F in the cord as a function of the angle 0. Plot the function of force F versus the angle 0 for 0 s0 s 90°. 100 lb 45° Be Prob. 3-40The 7m by 9m building slab is subjected to 4 parallel loads. Determine the force F equivalent to this 4 force system, and its point of application.Find the force F that must be applied at the handle to produce a clamping force of 75 lbs at E, given:L1 = 8 in, L2 = 2.25 in, L3 = 1 in, L4 = 10 in, θ = 30 °
- The dimensions a = 2 m and b = 1 m. The couple M = 2400 N-m. The spring constant is k = 6000 N/m, and the spring would be unstretched if h = 0. The system is in equilibrium when h = 2 m and the beam is horizontal. Determine the force F and thereactions at A.Determine the n- and t-components of the force F which is exerted by the rod AB on the crank OA. Evaluate your general expression for F = 90 N and (a) 0 = 29°, 3= 25° and (b) = 14°, 3 = 37° Answers: (a) Fn = (b) Fn = i i B BI A N, Ft= N, Ft= i N N3-39 Find the resultant of the two forces and the couple shown, given that P= 20 N, P2 = 30 N, and C= 1000N - mm.
- The member is supported by a square rod which fits loosely through the smooth square hole of the attached collar at A and by a roller at B. The member is subjected to the forces F1 = 200 N , F2 = 350 N , and F3 = 500 N . Determine the normal reaction force of roller at B. Determine the components of the reaction force of the support at A using scalar notation. Determine the components of moment of the reaction at A using scalar notation.ck C rests on the uniform 15-lb bar AB. The cable conne ey at D. Find the magnitude of the force acting between t 30 -2 ft+ -6 ft- C.Determine the n- and t-components of the force F which is exerted by the rod AB on the crank OA. Evaluate your general expression for F = 118 N and (a) e = 30°, B = 25° and (b) e = 21°, B = 29° Answers: (a) Fn= i N, F: = i N (b) Fn = i N. F:= N
- The member is supported by a square rod which fits loosely through the smooth square hole of the attached collar at AA and by a roller at B. The member is subjected to the forces F1 = 350 N , F2 = 450 N , and F3 = 600 N . Determine the normal reaction force of roller at B. Determine the components of the reaction force of the support at A using scalar notation. Determine the components of moment of the reaction at A using scalar notation.A 415 kg safe is hanging from the apparatus below. Determine the tension in the cable. Dimension a=1.9 m and dimension b=2.5 m. The mass of the beam is 85 kg. Use g = 10 N/kg. Hint: Take torques about the hinge and use the perpendicular lever arm version of the torque equation (the sin theta version will work but will require more calculation).3-7. The man attempts to pull on the tree using the cable and small pulley arrangement shown. If the tension in AB is 60 lb, determine the tension in cable CAD and the angle 0. Problem 3-7 D 20° 0 A 30° B