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.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 = 106 N and (a) e = 16°, B = 14° and (b) e = 23°, B = 30° B Answers: N, F =| N (a) Fn = N (b) Fo N, F =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).