Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A uniform cord 50 in. long passes over a pulley at B and is attached to a pin support at A . Knowing that L = 20 in. and neglecting the effect of friction, determine the smaller of the two values of h for which the cord is in equilibrium.

-L-
A
B
Transcribed Image Text:-L- A B
Expert Solution
Step 1

Draw the schematic diagram to have a better understanding of the problem.

Mechanical Engineering homework question answer, step 1, image 1

Length of overhang  cord is

Mechanical Engineering homework question answer, step 1, image 2

The weight of the overhang equals to the maximum tension in the cord.

So the expression of maximum tension is,

Mechanical Engineering homework question answer, step 1, image 3

Step 2

Now substitute required value in the above equation to obtain the desired value,

Mechanical Engineering homework question answer, step 2, image 1

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