Q2) Figure 2 shows a rope that is streteched between points A and C, there is mass m at point B. Given values: m= 20 kg, h= 2 m, d- 3 m, a- 30", y-60". Determine the followings: a) What are the values of lengths Las and Lac must be selected according to the given angles a and y? b) What are the values of forces Fas and Fne in the rope sections AB and BC? Figure 2 B.

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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7:1) O ZY9
O Q1 15-3-2021.j.
->
Q1) At point A, the four forces Fn, Fc, Fp and Fg act, the lines of action for these forces are
given by the straight lines AB, AC, AD and AE, as shown in Figure 1.
Coordinate the points are:
y
A
B
D
F
4
12
cm
cm
Figure 1
The magnitudes of the forces are: Fy= 7 KN, F= 3 KN, F- 9 KN and F- 13 KN.
Represent this force F acting on the point 4 as a Cartesian vector and determine its direction.
Q2) Figure 2 shows a rope that is stretched between points A and C, there is mass m at point
B. Given values: m= 20 kg, =2 m, d= 3 m, a= 30", y-60".
Determine the followings:
a) What are the values of lengths Lan and Lac must be selected according to the given angles a
and y?
b) What are the values of forces Fay and Fre in the rope sections AB and BC?
Figure 2
B
g
Transcribed Image Text:7:1) O ZY9 O Q1 15-3-2021.j. -> Q1) At point A, the four forces Fn, Fc, Fp and Fg act, the lines of action for these forces are given by the straight lines AB, AC, AD and AE, as shown in Figure 1. Coordinate the points are: y A B D F 4 12 cm cm Figure 1 The magnitudes of the forces are: Fy= 7 KN, F= 3 KN, F- 9 KN and F- 13 KN. Represent this force F acting on the point 4 as a Cartesian vector and determine its direction. Q2) Figure 2 shows a rope that is stretched between points A and C, there is mass m at point B. Given values: m= 20 kg, =2 m, d= 3 m, a= 30", y-60". Determine the followings: a) What are the values of lengths Lan and Lac must be selected according to the given angles a and y? b) What are the values of forces Fay and Fre in the rope sections AB and BC? Figure 2 B g
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