Given that P1 = 103.7kN, P2 = 49.8kN and P3 = 92.9kN, determine: (a) moment of P1 about point 'C', (b) moment of P2 about point 'C' and (c) moment of P3 about point 'A' (d) moment of all forces about pt. B 2 m 2m 3.

Three forces of 50 N, 40 N and F N acts on a bracket as shown in figure (3). Determine: (a) The summation of moment of the two forces about O and its direction (b) The horizontal force applied at A which creates the same total moment about O and its direction. (c) The smallest force applied at A which creates the same total moment about O and its direction. F=87N 50 N 300 A 2m 4 m 20⁰ 40 N

F1 F2 F3 A B b F4 E Consider the following values: - F5 a - 25 m; b - 5 m; a - 25 m; d- 5 m; F1 - 4 kN; F2 2 kN; F3 - 5 KN; F4 - 7 kN; F5 - 3 kN; = 30°, 0 = 60° B= 30° 1] What is the resultant moment of the five forces acting on the rod about point A? a) - 4.5 KN.m b) 1.7 kN.m ) - 82.6 KN.m d) 82.9 kN.m e) 24.1 kN.m 0- 47.1 KN.m 2] What is the resultant moment of the five forces acting on the rod about point B? a) - 96.1 kN.m b) 21.7 kN.m e) - 41.6 kN.m d) 80.9 kN.m e) - 5.4 kN.m D 87.2 KN.m 3] What is the resultant moment of the five forces acting on the rod about point C? a) - 98.6 kN.m b) 66.1 kN.m ) 17.6 KN.m d) 28.9 KN.m e) 91.1 kN.m ) 22.3 kN.m 4] What is the resultant moment of the five forces acting on the rod about point D? a) – 109.9 KN.m b) 112.7 KN.m )-81.9 kN.m d) 126.9 kN.m e) - 127.1 kN.m 030.1 kN.m 5] What is the moment of the force F2 about point E? a) 39.6 kN.m b) 48.1 kN.m c) 25.8 kN.m d) 13.1 kN.m e) 11.1 kN.m ) 21.3 KN.m

2:56 90 0t O V all 22 classroom.google.com/u/ A ميكانيك هندسي Sgall LKs 23 A prybar is used to remove a nail as shown. De- termine the moment of the 240-N force about the peint O of contact between the prybar and the amall support block. 16m 240 N 16m aso mm PROBLEM 2/3s 2/ A man exerts a force Fon the handle of the stationary wheelbarrow at A. The weight of the wheelbarrow along with ita load of dirt in 185 Ib with center of gravity at G. For the configuration shown, what force must the man apply at A to make the net moment about the tie cuntact point B equal te ero? 30 mm PROBLEM 2/33 Representative Problems a34 An overhead view of a door is shown. If the com- pressive ferce aeting in the coupler arm of the hy draulic door elaser is 17 Ib with the arientation ahown, determine the moment of this force about the hinge axis 0. 20 PROBLEM 2/3s a7 A 150-N pull Tin applied to a cord, which is wound securely around the inner hub of the drum. Determine the moment of T about the drum center…