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Q2 The truss shown in Figure Q2 is loaded at joints C and E. y x 10 kN A B C D E 40° 1m 15 kN H G F 1m 1m 1m 1m Fig. Q2 (b) Determine the support reactions. Show free-body diagrams, and clearly annotate all calculations. (c) Using the METHOD OF SECTIONS determine the forces in members AB, AH and IH of the truss. Show any free-body diagrams, and clearly annotate all calculations. (d) Using the METHOD OF JOINTS determine the forces in members BC and BH. Show any free body diagrams, and clearly annotate all calculations. 

          Q2
The truss shown in Figure Q2 is loaded at joints C and E.
y
x
10 kN
A
B
C
D
E
40°
1m
15 kN
H
G
F
1m
1m
1m
1m
Fig. Q2
(b) Determine the support reactions. Show free-body diagrams, and clearly annotate all calculations.
(c) Using the METHOD OF SECTIONS determine the forces in members AB, AH and IH of the truss.
Show any free-body diagrams, and clearly annotate all calculations.
(d) Using the METHOD OF JOINTS determine the forces in members BC and BH. Show any free body
diagrams, and clearly annotate all calculations.
Show more…
Q2 The truss shown in Figure Q2 is loaded at joints C and E. y x 10 kN A B C D E 40° 1m 15 kN H G F 1m 1m 1m 1m Fig. Q2 (b) Determine the support reactions. Show free-body diagrams, and clearly annotate all calculations. (c) Using the METHOD OF SECTIONS determine the forces in members AB, AH and IH of the truss. Show any free-body diagrams, and clearly annotate all calculations. (d) Using the METHOD OF JOINTS determine the forces in members BC and BH. Show any free body diagrams, and clearly annotate all calculations.

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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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The answer for (b) is Ix = 58.6 kN, ax = -70.1 kN Ay = 19.6 kN The answer for (c) is FAH = 27.7 kN FIH = -58.6 kN FAB = 50.5 kN The answer for (d) is FBC = 50.5 kN FBH = 0 Q2 The truss shown in Figure Q2 is loaded at joints C and E. 10 kN B C D E 40 1m 15 kN 1m 1m (b) Determine the support reactions. Show free-body diagrams and clearly annotate all calculations. (c) Using the METHOD OF SECTIONS, determine the forces in members AB, AH, and IH of the truss. Show any free-body diagrams and clearly annotate all calculations. (d) Using the METHOD OF JOINTS, determine the forces in members BC and BH. Show any free-body diagrams and clearly annotate all calculations.
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Transcript

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00:01 In this question, we have to find the smallest speed of the car that can move on the track without laying on friction.
00:08 So first of all i am writing the given data.
00:10 We have given that there is a banked race track whose smallest circular path radius is that is r1 is given to us which is 109 meter.
00:22 And largest radius that is r2 is 171 meter.
00:28 We have given height of the wall that is 19 .7 meter.
00:33 So first of all i'm going to draw the diagram for this given condition.
00:41 Wait a while.
00:42 This is the largest radius that is given to us and this is the smallest radius.
00:50 So the difference is equals to 62 meter.
00:54 So this is the distance which is 62 meter and we have given height of the wall that is 19 .7 meter and this is our car which moves in this circular track.
01:19 So i am going to show the forces that act on this car.
01:23 One is the weight of the car that acts vertically downward.
01:27 That is mg and one is the normal force...
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