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ASSIGNMENT 1. The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. If the maximum force that the man can exert is 400 N, determine the smallest angle e at which he can support the ladder. (Figure P4-20) 2. Figure P-313 represents the concurrent force system acting at a joint of a bridge truss. Determine the value of P and F to maintain equilibrium of the forces. 3. The five forces shown in Fig. P 314 are in equilibrium. Compute the values of P and F. 4. The system of knotted cords shown in Fig P-317 support the indicated weights. Compute the tensile force in each cord. 5. The truss shown in Fig. P323 is supported by a hinge at A and a roller at B. A load of 20 kN is applied at C. Determine the reactions at A and B. 6. Forces P and F acting along the bars shown in Fig P327 maintain equilibrium of pin A. Determine the values of P and F. 7. Determine the reactions for the beam shown in Fig P-332 8. The wheel loads on a jeep are given in Fig P342. Determine the distance x so that the reaction of the beam at A is twice as great as the reaction at B. 9. The frame shown in Fig. P348 is supported in pivots at A and B. Each member weighs 5kN/m. Compute the horizontal reaction at A and the horizontal and vertical components of the reaction at B. 10. Compute the total reactions at A and B on the truss shown in Fig. P-354. 11. Replace the loading acting on the beam by a single resultant force. Fig 4-117 12. Determine the reactions at the supports A and B for equilibrium of the beam. Fig 5-92. 13. The homogenous 60-kg disk supported by rope AB rests against a rough vertical wall. Using the given FBD, determine the force in the rope and the reaction at the wall. 200 Dimensions in mm 20 kN 105° 60 ° 60° 30 30 kN 45 300 Ib 45° 60° 60 35(9.81)N 40 kN 400 N 400 Ib 200 Ib FBD Fig. P4.20 Figure P-313 Figure P-314 105 ° D 90° 30° 30 k 75 30 3 m 20 kN 300 lb 1.5 m 400 lb 9 m 3 m → Figure P-317 Figure P-323 3 m 2m 4 m 300 lb 400 Ib 100 Ib/ft 30 kN 6' 8' 2" 4' R1 R2 18 kN Figure P-332 Figure P-327 1.5 m 4 m D 2 m 600 lb 3 m 200 lb 4" 200 kN 1.5 m 15' Figure P-342 Figure P-348

ASSIGNMENT 1. The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. If the maximum force that the man can exert is 400 N, determine the smallest angle e at which he can support the ladder. (Figure P4-20) 2. Figure P-313 represents the concurrent force system acting at a joint of a bridge truss. Determine the value of P and F to maintain equilibrium of the forces. 3. The five forces shown in Fig. P 314 are in equilibrium. Compute the values of P and F. 4. The system of knotted cords shown in Fig P-317 support the indicated weights. Compute the tensile force in each cord. 5. The truss shown in Fig. P323 is supported by a hinge at A and a roller at B. A load of 20 kN is applied at C. Determine the reactions at A and B. 6. Forces P and F acting along the bars shown in Fig P327 maintain equilibrium of pin A. Determine the values of P and F. 7. Determine the reactions for the beam shown in Fig P-332 8. The wheel loads on a jeep are given in Fig P342. Determine the distance x so that the reaction of the beam at A is twice as great as the reaction at B. 9. The frame shown in Fig. P348 is supported in pivots at A and B. Each member weighs 5kN/m. Compute the horizontal reaction at A and the horizontal and vertical components of the reaction at B. 10. Compute the total reactions at A and B on the truss shown in Fig. P-354. 11. Replace the loading acting on the beam by a single resultant force. Fig 4-117 12. Determine the reactions at the supports A and B for equilibrium of the beam. Fig 5-92. 13. The homogenous 60-kg disk supported by rope AB rests against a rough vertical wall. Using the given FBD, determine the force in the rope and the reaction at the wall. 200 Dimensions in mm 20 kN 105° 60 ° 60° 30 30 kN 45 300 Ib 45° 60° 60 35(9.81)N 40 kN 400 N 400 Ib 200 Ib FBD Fig. P4.20 Figure P-313 Figure P-314 105 ° D 90° 30° 30 k 75 30 3 m 20 kN 300 lb 1.5 m 400 lb 9 m 3 m → Figure P-317 Figure P-323 3 m 2m 4 m 300 lb 400 Ib 100 Ib/ft 30 kN 6' 8' 2" 4' R1 R2 18 kN Figure P-332 Figure P-327 1.5 m 4 m D 2 m 600 lb 3 m 200 lb 4" 200 kN 1.5 m 15' Figure P-342 Figure P-348

Elements Of Electromagnetics
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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ASSIGNMENT 1. The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. If the maximum force that the man can exert is 400 N, determine the smallest angle e at which he can support the ladder. (Figure P4-20) 2. Figure P-313 represents the concurrent force system acting at a joint of a bridge truss. Determine the value of P and F to maintain equilibrium of the forces. 3. The five forces shown in Fig. P 314 are in equilibrium. Compute the values of P and F. 4. The system of knotted cords shown in Fig P-317 support the indicated weights. Compute the tensile force in each cord. 5. The truss shown in Fig. P323 is supported by a hinge at A and a roller at B. A load of 20 kN is applied at C. Determine the reactions at A and B. 6. Forces P and F acting along the bars shown in Fig P327 maintain equilibrium of pin A. Determine the values of P and F. 7. Determine the reactions for the beam shown in Fig P-332 8. The wheel loads on a jeep are given in Fig P342. Determine the distance x so that the reaction of the beam at A is twice as great as the reaction at B. 9. The frame shown in Fig. P348 is supported in pivots at A and B. Each member weighs 5kN/m. Compute the horizontal reaction at A and the horizontal and vertical components of the reaction at B. 10. Compute the total reactions at A and B on the truss shown in Fig. P-354. 11. Replace the loading acting on the beam by a single resultant force. Fig 4-117 12. Determine the reactions at the supports A and B for equilibrium of the beam. Fig 5-92. 13. The homogenous 60-kg disk supported by rope AB rests against a rough vertical wall. Using the given FBD, determine the force in the rope and the reaction at the wall. 200 Dimensions in mm
Transcribed Image Text:ASSIGNMENT 1. The man is holding up the 35-kg ladder ABC by pushing perpendicular to the ladder. If the maximum force that the man can exert is 400 N, determine the smallest angle e at which he can support the ladder. (Figure P4-20) 2. Figure P-313 represents the concurrent force system acting at a joint of a bridge truss. Determine the value of P and F to maintain equilibrium of the forces. 3. The five forces shown in Fig. P 314 are in equilibrium. Compute the values of P and F. 4. The system of knotted cords shown in Fig P-317 support the indicated weights. Compute the tensile force in each cord. 5. The truss shown in Fig. P323 is supported by a hinge at A and a roller at B. A load of 20 kN is applied at C. Determine the reactions at A and B. 6. Forces P and F acting along the bars shown in Fig P327 maintain equilibrium of pin A. Determine the values of P and F. 7. Determine the reactions for the beam shown in Fig P-332 8. The wheel loads on a jeep are given in Fig P342. Determine the distance x so that the reaction of the beam at A is twice as great as the reaction at B. 9. The frame shown in Fig. P348 is supported in pivots at A and B. Each member weighs 5kN/m. Compute the horizontal reaction at A and the horizontal and vertical components of the reaction at B. 10. Compute the total reactions at A and B on the truss shown in Fig. P-354. 11. Replace the loading acting on the beam by a single resultant force. Fig 4-117 12. Determine the reactions at the supports A and B for equilibrium of the beam. Fig 5-92. 13. The homogenous 60-kg disk supported by rope AB rests against a rough vertical wall. Using the given FBD, determine the force in the rope and the reaction at the wall. 200 Dimensions in mm
20 kN 105° 60 ° 60° 30 30 kN 45 300 Ib 45° 60° 60 35(9.81)N 40 kN 400 N 400 Ib 200 Ib FBD Fig. P4.20 Figure P-313 Figure P-314 105 ° D 90° 30° 30 k 75 30 3 m 20 kN 300 lb 1.5 m 400 lb 9 m 3 m → Figure P-317 Figure P-323 3 m 2m 4 m 300 lb 400 Ib 100 Ib/ft 30 kN 6' 8' 2" 4' R1 R2 18 kN Figure P-332 Figure P-327 1.5 m 4 m D 2 m 600 lb 3 m 200 lb 4" 200 kN 1.5 m 15' Figure P-342 Figure P-348
Transcribed Image Text:20 kN 105° 60 ° 60° 30 30 kN 45 300 Ib 45° 60° 60 35(9.81)N 40 kN 400 N 400 Ib 200 Ib FBD Fig. P4.20 Figure P-313 Figure P-314 105 ° D 90° 30° 30 k 75 30 3 m 20 kN 300 lb 1.5 m 400 lb 9 m 3 m → Figure P-317 Figure P-323 3 m 2m 4 m 300 lb 400 Ib 100 Ib/ft 30 kN 6' 8' 2" 4' R1 R2 18 kN Figure P-332 Figure P-327 1.5 m 4 m D 2 m 600 lb 3 m 200 lb 4" 200 kN 1.5 m 15' Figure P-342 Figure P-348
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