Determine the total reaction at pin Cif W=100N. Negligible weights of members and friction.Determine the tension in the cable if W=100N. Negligible weights of members and friction.If the breaking strength of the cable is 2000N, determine the maximum weight W that canbe supported. Negligible weights of members and friction.0.9 m1.8 mE2.1 m1.5 m0.6 m|

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Answered: Determine the total reaction at pin C…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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As shown, a truss is loaded by the forces P = 491 lb and P2 = 194 lb and has the dimension a = 9.50 ft . P1 H - P2 a E В С D a a- a/2 al2 Determine FBC , the magnitude of the force in member BC, using the method of sections. Assume for your calculations that each member is in tension, and include in your response the sign of each force that you obtain by applying this assumption. Express your answer numerically in pounds to three significant figures.
2
Q1) A man is pulling a spring of stiffness coefficient 8 Ib/in by his hand with the entire arm held horizontally rotating about shoulder joint O; this force acts at the 21° angle is shown. Determine the force exerted by the deltoid muscle on the upper arm at A and x- and y- components of the force reaction at the shoulder joint. The weight of the upper arm Wu = 4.1 Ib, the weight of the lower arm W1 2.4 Ib, and the weight of the hand WH= 0.9 Ib; all these weights act at the locations shown in the figure. the spring extended 1 in only as shown in figure 1. A tensile force in the deltoid muscle prevents the arm from A- 8 Ibin Equilibrium x-1 in Deltoid muscle Fo A YW, YW -5.2 16.5 25.4 Figure 1
Determine the maximum downward force Pmax that can be applied to wedge A that will keep the assembly in equilibrium. Based on the value of the force in link BC, determine whether block C will slip or tip first. At Pmax, what are the frictional forces between wedge A and block B, fAB, and between wedge A and wall D, SAD? The weight of block C is 192 N while that of the wedge is negligible. Draw the FBDs of wedge A, block B, and block C. Label correctly all the forces (especially normal and frictional forces with proper subscripts) and indicate the direction of the impending motion next to each FBD. Note that the weight of block B, though not negligible, is not necessary in the computation. W HAD 0.27 D P A B 60° HAB= 0.14 |sg =0 E C 1 m HCF = 0.375 F R 2.4 m 3.2 m
Q4
The 60 kg block is supported by two springs having the stiffness shown. Determine the stretch of spring AC, S(AC): Select one: a. S(AC) = 2.23 m b. S(AC) = 0.2378 m c. none of these d. S(AC) = 0.1189 m
The frame supports the 400 kg mass as shown. Assume a coefficient of friction of 0.25 around the pulley. Further assume the frictional forces are fully developed. Determine all external reactions and all pin reactions acting on the structure. pleas show me all your work
Q.3) The coefficient of friction between the 120 lb block (shown in figure below) and the incline plane is 0.3 and that between the cord and cylindrical support is 0.4. Determine the range of cylinder weight W for which the system shown below will be in equilibrium. μ = 0.3 120 lb 24° <μ = 0.4 5 W
Determine the force in each member of the truss and state if the members are in tension or compression.Set P1=9kN , P2=15kN.Using the principle of static equilibrium of moments.
As shown, the truss is loaded by the forces P = 210 lb and P = 401 lb and has the dimension a = 3.30 ft L. P, Using the method of joints, determine FAR. FRG, and Frp, the magnitude of the force in each of the members connected to joint B. Assume for your calculations that each member is in tension, and include in your response the sign of each force that you obtain by applying this assumption. Express your answers numerically in pounds to three significant figures separated by commas. • View Available Hint(s) Hνα ΑΣφ vec FAB, FBC, FBD = lb
The rope passes through a frictionless drum D and is connected to corner Q of the box, weighing 5 kg. Let the coefficients of sliding and non-sliding friction between the box and the inclined surface be 0.25 and 0.35, respectively. If the player exerts a pulling force T, what is the CORRECT equilibrium equation derived from the force diagram of the system? Which of the following best approximates the magnitude of the force T required for tipping to impend at point R, assuming that there is no slipping?

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