2-86. Determine the length of the connecting rod AB by first formulating a position vector from A to B and then determining its magnitude. Problem 2-86 30° B 300 mm 150 mm 2

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1b. IF x=2.1m and z=1.8m, determine the j component of the unit vector u_AD. Answer must include 3 places after the decimal point. 1c. If x=2m and z=1.5m, find out the correct equilibrium equation (Newton's 1st law) for the force components along the y axis. T_B is the tension force in cable AB, T_C is the tension force in cable AC, and T_D is the tension in cable AD. 1d.If x=2.1m and z=1.5m, and the mass of the flower por is m=34kg, determine the tension force T_B in cable AB. Answer mus include 1 place after the decimal point and the proper unit. Take g=9.81 m/s^2

Determine the resultant and angle of concurrent forces system using algebraic method. F1=P F2=2P F3=P F4=3P F5=1P F6=2P F7=P F8=7P F9=7P 0₁-45 0₂-45 03-70 04=20 05=45 06-45 07-30 08-40 09-20 FA F5 F6 04 05 0₂ 06 F3 0₂ 0, 08 09 F₂ Fg 8 F₂ Fg F₁

The force F is applied at point A and its line of action passes through B. Determine the following: 1. The position vector of point B with respect to point A: rBA = ( i +  j + k)m 2. The unit vector in the direction of vector F: u = (  i +  j + k) Express your results using three significant figures.

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Determine the moment of the force about point O. Neglect the thickness of the member. Assume F = 60 N. Sign convention applies for the answer (positive is anti-clockwise). F -100 mm- m - 1600 45° 200 mm Answers: (a) -13.5 Nm (b) 13.5 Nm (c) 12.0 Nm (d) -12.0 Nm -100 mm-

Determine the magnitude and direction of the couple moment acting on the gear shown in the figure.

4-2) Find the megnitude and direction of the support forcas at A and B and the res tant mament

#2 Member OA is restrained from twisting by cable AC. All dimensions and coordinates systems are as shown. Write an expression for the unknown Tension in cable AC (hint: use unit vectors!) D y 160 mm 100 mm B 40 N-m 190 mm A 60° 220 mm X