11-27 The slender bar shown in Fig. P11-27 weighs 150 Ib. If P = 75 lb and M = 50 ft · Ib, determine the magnitude of the force F required to maintain the bar in the equilib- rium position shown in the figure. 4 ft M -3 ft Fig. P11-27
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Given data
To determine the horizontal force F at B to keep the the slender in equilibrium.
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- Draw the free body diagrams for each part in the figures below. 3 ft 2. A E ft 4 ft 0.75 P10-8. The bar AB in Fig. P 10-8 weighs 100 lb and rotates in a vertical plane about a horizontal axis through A. When the bar is in the position indicated, the tension in the spring is 20 lb. As the bar rotates 90° clockwise the work done on it is -100 ft-lb. Determine the modulus of the spring.The object (W = 1000 lb) is moving between positions G and H back and forth repeatedly. The bar AD is made of steel with assumed property Sy = 80 ksi, Sn= 20 ksi. Determine the required diameter of the bar based on Soderberg criterion and N = 2. 3 ft l' -2 ft 3 ft- DGB 4 ft W 444 H
- T025m C. 1.5m '03 m 01 m 0.2 m 1.25 m 0.6 m D 0.4 m 0.3 m The tractor boom supports the mass of 600 kg (= 5886 N) in the bucket which has a center of mass at G. The load is supported equally on each side of the tractor by a similar mechanism. One side of the tractor is shown in the figure. The weight on one side is 5886/2 -2943 N. Determine the force in the hydraulic cylinder AB, = N. Determine the force in the hydraulic cylinder CD, = kN. Determine the magnitude of the x-componet of the reation force at pin F, Fx = kN. Determine the magnitude of the y-componet of the reation force at pin F, Fy - kN.6-61 Bar AB is supported in a horizontal position by two cables as shown in Fig. P6-61. Determine the magnitude of force P and the force in each of the cables. D 60° 68 B 300 lb PThe assembly is used to support the 130-kg container having a center of mass at G. The spring has an unstretched length of 250 mm and stiffness of k = 300 kN/m. (Figure 1). Figure 3 m B Part C 2 m 0 2 m 1 of 1 μĂ Part A NB = 1765.8 Determine the heighth of the spring. Express your answer to three significant figures and include the appropriate units. h = 246 mm Submit ✓ Correct Correct answer is shown. Your answer 246.076 mm was either rounded differently or used a different number of significant figures than required for this part. Part B Previous Answers Determine the reaction at the roller A. Express your answer to three significant figures and include the appropriate units. μА NA = 2501.55 Determine the reaction at the roller B. Express your answer to three significant figures and include the appropriate units. Submit Previous Answers Request Answer N N X Incorrect; Try Again; 3 attempts remaining = ? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts…
- The structure in the sketch below consists of the two members ABC and CDE which are pin- connected at point C. The complete structure is supported by a weightless link at B and a fixed support at E. The link is perpendicular to part BCDE and pin-connected to the support at the bottom. The distributed loading acts perpendicular to the inclined part AB. The figure is not to scale. 600 N/ m A 900N 0.5m E C -1.3т- * 1m - 1m 1.2m Calculate the support reactions that develop on the frame at points B and E. Interpret your final answers on a separate complete free-body diagram of the structure ABCDE. B,inches, determine the mass of the heaviest cylinder. Neglect friction and the weight of the rigid bar AB A uniform cylinder is supported by a rigid bar AB and cable BC as shown in the figure. If the stress in the cable is not to exceed 7.25 ksi and diameter of 0.50 18 Ft B 18 Ft 12 Ftplz help before -ront The shaft is supported at its ends by two bearings A and B and is subjected to the forces applied to the pulleys fixed to the shaft. (Figure 1) The T₁ 410-N forces act in the - direction and the 200-N and 80-N forces act in the +y direction. The journal bearings at A and B exert only y and components of force on the shaft. Figure lashel but sol is 300 mm A 200 mm 2 150 mm 150 mm ✓ 200 mm 400 mm B. 200 N 200 N 80 N 80 N 1 of 1 ▾ Part B Determine the resultant shear force in the y direction on the cross section at C Express your answer to three significant figures and include appropriate units. (Vc)y=245.714 Submit Part C Submit * Incorrect; Try Again; 3 attempts remaining Check your signs. (Vc),= 175 ▾ Part D Determine the resultant shear force in the direction on the cross section at C. Express your answer to three significant figures and include appropriate unite. T= 10 ▾ Part E Previous Answere (Mc) Submit M ^ Part Fi * Incorrect; Try Again; 5 attempts remaining…
- 2m 9. The rod AB rests on a horizantal surface at A and against slipping suface at B if Ms =0-25 at A&B. Find the minimum distance a for equilibriam, negledt the weight ( Ans a-l-6lm) a 60N • peu m7 joZTE The light boom AB IS attached to g vertical point a force Pis applied Wall by a ball and socket at A and Suppore by two cable> at B.a where P= 14i-12) KN Note that the at B force at A two -force member Calculate the magntude reaction a cts a cts along the boonm because it rs of the force reaction at A in kN. key 2m. meters 4M- 3. 6 m A b take sum forces at point B, Sum the veetor in 1,J,K and so lue the simaltaneous equation involuing BD BC and AD healso find ax and ay The rod is supported by smooth journal bearings at A.B. and C and is subjected to the two forces Fi= 400 N and F 520 N (Egure 1) Figure 0.6m 0.6m 0.6m 0.4m 1 of 1 Part A Determine the 2 and y components of reaction at Cusing scalar notation Express your answers in newtons to three significant figures separated by a comma View Available Hint(s) [95] ΑΣΦ. 11 | vec C.C. Submit Part B ? B. B N Determine the az and a components of reaction at B using scalar notation Express your answers in newtons to three significant figures separated by a comma View Available Hint(s) ΑΣΦ | 19 | voc) N