Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-1 EML 3004C Problem 3-6 (page 84) A force of 30 lb is applied to the handle of the wrench. Determine the moment of this force about point 0. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-2 EML 3004C Problem 3-17 (page 86) Determine the moment of the force F at point A about point P. Express the result as a Cartesian vector. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-3 EML 3004C Problem 3-17 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-4 EML 3004C Problem 3-22 (page 87) Using Cartesian vectors, determine the moment of each of the two forces acting on the pipe assembly about point A. Add these moments and calculate the magnitude and coordinate direction angles of the resultant moment. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-5 EML 3004C Problem 3-22 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-6 EML 3004C Problem 3-22 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-7 EML 3004C Problem 3-38 (page 95) Determine the moment that the force F exerts about the y axis of the shaft. Solve the problem using a Cartesian vector approach and using a scalar approach. Express the result as a Cartesian vector. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-8 EML 3004C Problem 3-38 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-9 EML 3004C Problem 3-38 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-10 EML 3004C Problem 3-50 (page 103) The cord passing over the two small pegs A and b of the board is subjected to a tension of 10 lb. Determine the minimum tension P and the orientation  of the cord passing over the pegs C and D, so that the resultant couple moment produced by the two cords is 20 lb*in., clockwise. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-11 EML 3004C Problem 3-56 (page 103) Determine the couple moment. Express the result as a Cartesian Vector. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-12 EML 3004C Problem 3-56 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-13 EML 3004C Problem 3-65 (page 118) Replace the force and couple moment system by a equivalent force and couple moment acting at point P. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-14 EML 3004C Problem 3-65 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-15 EML 3004C Problem 3-82 (page 121) The frame is subjected to the coplanar system of loads. Replace this system by an equivalent resultant force and couple moment acting at point B. Solution:

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-16 EML 3004C Problem 3-82 continued

Namas Chandra Introduction to Mechanical engineering Hibbler Chapter 2-17 EML 3004C Problem (page 124) The main beam along the wing of an airplane is swept back at a angle of 26deg. From load calculations it is determined that the beam is subjected to couple moment Mx=17 kip*ft and My=25 kip*ft. Determine the resultant couple moments created about the x’ and y’ axes. The axes all like in the same horizontal plane. Solution: