Answered: The mine car and its contents have a…

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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The mine car and its contents have a total mass of 7.1 Mg and a center of gravity at G . If the coefficient of static friction between the wheels and the tracks is μ_s = 0.34 when the wheels are locked, find the following:

1 The normal force acting on the front wheels at B is _______ when the brakes at both A and B are locked.

2 The normal force acting on the rear wheels at A is ________when the brakes at both A and B are locked.

3 The friction force acting on the front wheels at B is ________ when the brakes at both A and B are locked.

4 The friction force acting on the rear wheels at A is _________ when the brakes at both A and B are locked.

5 With the given information above, does the car move? Answer with Yes or No only. Blank 5

10 kN
0.9 m
G
A
/0.15 m
В
0.6 m
>
-1.5 m-

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