MOD.MASTER.W/ETEXT ENG.MECHANICS CARD+BK
15th Edition
ISBN: 9780137519170
Author: HIBBELER
Publisher: PEARSON
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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
Which of the following correctly describes the direction angles for vector F₂ in problem F2-18:
Z
30°
45°
F₂ = 800 lb
a = 30°, B = 60°, and y = 45°
a = 30°, B = 60°, and y = 135°
α = 52.2°, B = 69.3°, and y = 45°
O a = 52.2°, B = 69.3°, and y = 135⁰
F₁ = 500 lb
In the figure, cables AD, AB and AC are needed to support the 60lb box. Determine the coordinates of points B and D respectively
a) B(-18,4,3) e D(-4,-2,4).
b) B(-4,-4,4) e D(-4,6,6).
c) B(18,0,0) e D(0,-4,6).
d) B(6,12,2) e D(4,-44,4).
e) B(6,6,4) e D(4,6,8)
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