Q4 HW3Q1: For the cable and pulley system shown in Fig.1, determine the tension in cables AB andAC for the weight W = 100kg.Q2: The bracket of negligible weight is supported by a pin at A and a frictionless peg at B,which can slide in the slot as shown in Fig.2. Draw the free-body diagram of the bracket anddetermine the reaction force at A and B. Take 0 = 45°.Q3: For the puller shown in Fig.3, determine the tension in the chain and the reaction forceat A. Take P = 2KN .Q4: For Fig.4, the required force to be exerted at A by the lever ABC is 4.2lb. If the springexerts a 15lb force at C, determine (a) the value of angle a and (b) the reaction at B.Q5: For the table lamp shown in Fig.5, determine the reactions at A, assuming the hinge at Aare fixed (support a moment). Take = 20°05 m-90 N- m1 mFig. 2Fig. 1120 mmDI600 mm720 mm0.9 in.B10-N4N2.4 in.+1.4 inFig. 3Fig. 4Fig. 5080

Answered: Image /qna-images/answer/e9b787e3-e727-4420-b848-4dda58e416ac.jpg

Q4: For Fig.4, the required force to be exerted at A by the lever ABC is 4.2lb. If the spring exerts a 15lb force at C, determine (a) the value of angle a and (b) the reaction at B. Q5: For the table lamp shown in Fig.5, determine the reactions at A, assuming the hinge at A are fixed (support a moment). Take 0 = 20° 0.5 m- 90 N- m 1m Fig. 2 Fig. 1 120 mm D 600 mm 720 mm 0.9 in. 10-N 4N -2.4 in.- -1.4 in Fig. 3 Fig. 4 Fig. 5

Q4: For Fig.4, the required force to be exerted at A by the lever ABC is 4.2lb. If the spring exerts a 15lb force at C, determine (a) the value of angle a and (b) the reaction at B. Q5: For the table lamp shown in Fig.5, determine the reactions at A, assuming the hinge at A are fixed (support a moment). Take 0 = 20° 0.5 m- 90 N- m 1m Fig. 2 Fig. 1 120 mm D 600 mm 720 mm 0.9 in. 10-N 4N -2.4 in.- -1.4 in Fig. 3 Fig. 4 Fig. 5

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter10: Virtual Work And Potential Energy

Section: Chapter Questions

Problem 10.62P: The bar ABC is supported by three identical, ideal springs. Note that the springs are always...

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