1. A 100 KN railway car, with its center of gravity 1.6 m above the track, goes around a flat curve of 400 m radius. If the gauge distance between the centers of the rails is 1.4 m, determine the speed that will produce impending tipping? gr 1.6 m A 1.4m R1 R2
1. A 100 KN railway car, with its center of gravity 1.6 m above the track, goes around a flat curve of 400 m radius. If the gauge distance between the centers of the rails is 1.4 m, determine the speed that will produce impending tipping? gr 1.6 m A 1.4m R1 R2
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
If the speed of the railway car in the example 1 is reduced to 60 km/hr, what is the reaction and the pressure on each wheel flange?
![EXAMPLES:
1. A 100 KN railway car, with its center of gravity 1.6 m above the track, goes around a
flat curve of 400 m radius. If the gauge distance between the centers of the rails is 1.4
m, determine the speed that will produce impending tipping?
gr
1.6 m
A
B
1.4m
R,
R2
Wheel A will tip because of the centrifugal force towards the outer rail of the track;
R, = 0
Solution:
EMB= 0;
R, - W (0.70) + Wv² (1.6) = 0
gr
0- 100 (0.70) + 10ov² (1.6) = 0
9.81(400)
v = 41.43 m/s.ans
v = 149.16 km/hr
%3D
ans](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2a96a95-74c6-481d-b6b8-69e0337ad743%2F9f2dbadc-501b-4608-916e-d27d8f8309bb%2Flxxqlms_processed.jpeg&w=3840&q=75)
Transcribed Image Text:EXAMPLES:
1. A 100 KN railway car, with its center of gravity 1.6 m above the track, goes around a
flat curve of 400 m radius. If the gauge distance between the centers of the rails is 1.4
m, determine the speed that will produce impending tipping?
gr
1.6 m
A
B
1.4m
R,
R2
Wheel A will tip because of the centrifugal force towards the outer rail of the track;
R, = 0
Solution:
EMB= 0;
R, - W (0.70) + Wv² (1.6) = 0
gr
0- 100 (0.70) + 10ov² (1.6) = 0
9.81(400)
v = 41.43 m/s.ans
v = 149.16 km/hr
%3D
ans
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