Two swimmers on opposite sides of a boat attempt to turn the boat by pushing as shown. Determine the couple moment about a) point A on the bow, 50 N b) point B on the stern, and c) point C. 50 N Also state what general principles your results demonstrate. 1.5m

A loading condition is shown below. Using Castigliano's theorem and by applying a fictitious force Q with a magnitude of 0 at point C, determine: a) The horizontal displacement of point C. a) The vertical displacement of point C.

A force (FCD = 4.49 kN) is applied to a utility pole as shown.a) Write an algebraic expression with appropriate subscripts for the moment about the line passing through OF. What alternate moment arms could be used?b) Create a 3x3 determinant for the moment about line OF and solve. What does the sign of your answer indicate?c) Find the shortest distance between line OF and the line of action of the force.d) Find the 3D angle between OF and CD.

1.73 What is the answer? Use a given-required-solution format. Provide a step by step solution with a free body diagram. Provide a handwritten solution without the use of calculator. Simplify the answer and use a proper unit.

A retaining wall shown below has a height of 9 m. It is subjected to a uniformly distributed surcharge of 12 KPa at the top of the horizontal backfill. a) Compute the total lateral active force acting on the wall. b) Compute the location of the total active force from the bottom of the wall. c) Compute the moment at the base of the wall.

2 place the Force 70N by Equivalent System consist of one force &couple at 1: At Supporting point (A). 2: At point (c) 0.9m 0.7m 70 N

Q1: Choose the correct answer (alll Jásil). 1- The resultant of two perpendicular forces 10 lb ,and 12 Ib is : a- 13.52 Ib b-13.25 Ib c- 15.62 Ib d- 15.02 lb 2-The resultant of two forces not perpendicular 20 Ib and 30 lb and the angle between them 115 °is: a- 50.71 # b- 36.75 # d- none of the above ( idal ia ) 3- If F,-200N & F,-300N, the direction of resultant equal to: c- 45.12 # a- 60.02" b- 59.42° c- 59.11° d- 56.31° 4- The weight is: a- scalar quantity b- static quantity c- vector quantity d- none of the above 5- The direction of any forces is: a- the angle degree b-the sense C- the slope of the force d- all the above

1.) A 300-lb block rests on a plane inclined at 36.87° from the horizontal. A 100 lb force pushes this block up the plane. The coefficient of friction between the block and the plane shown is 0.35. If the block is in equilibrium, determine the magnitude of the friction force. a. 63 lb b. 280 lb c. 80 lb d. 84 lb     2.) Find the component of F = 5 Ni + 3 Nj + 2 Nk along the vector r = 3 mi − 4 mj.   a. Fr = 5.4 N b. Fr = 4.4 N c. Fr = 6.4 N d. Fr = 5.14 N

Problem 3b: Replace the loading with an equivalent resultant force and find a) the perpendicular distance between the resultant and point A, b) the point where the line of action of the resultant would intersect line AB and c) the point where the line of action of the resultant would intersect line BC. y 3 ft 5 ft 3 ft B. 6 ft 60 lb 250 lb 175 lb+ 5 ft A

i % TA l. N e A:0. A docs.google.com/forms/d/e/1FAIPQLSEE : مطلوب Untitled Se F1 =5 kN F2 = 13 kN B- 60° F3 = 4 kN 45 4 m 8 m F4 = 22 kN a = 30° FS = 4 kN Vhat is the resultant moment of the five forces acting on the rod about point B? 0.5 kN.m b) 49.5 kN.m c) 39.1 kN.m d) 18.5 kN.m e) 9.1 kN.m ) 21.1 Vhat is the resultant moment of the five forces acting on the rod about point E? 22.8 kN.m b) - 2.8 kN.m c) - 18.9 kN.m d) - 8.1 kN.m e) - 12.7 kN.m f) -7 Vhat is the moment of the force F1 about point D? 27.8 kN.m b) - 12.8 kN.m c) - 38.9 kN.m d) - 19.1 kN.m e) - 32.7 kN.m f)- 29 Vhat is the moment of the force F2 about point E? .5 kN.m b) 55.5 kN.m el 14.2 kN.m d 32.5 kN.m el 7.1 kN.m. A 84.1