Answered: if the basket at E weighs 3.5 N,…

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 basket at E weighs 3.5 N, determine the weight if crate f and the unstretched length of the spring (k= 12 N/m)

A
www
F
7
60°
B
45°
y
LAB = 3m
Lac = 2m
LCD = 2m
C
30°
T
D
27

Expert Solution

Step 1

Introduction

In this problem we will calculate the weigth of the crate and the unstrength length of the spring by using the Lamis theorem. The Lamis theorem explains the relationship between the three coplanar, contemporaneous, nonlinear forces' magnitudes and the angles between any two of them.

Given data:

$\begin{array}{rcl} the weight of the basket (W) & = & 3.5 N \\ the stifness of the spring (k) & = & 12 N / m \\ the length of the wire AB {(L)}_{AB} & = & 3 m \\ the length of the wire BC {(L)}_{BC} & = & 2 m \\ the length of the wire CD {(L)}_{CD} & = & 2 m \end{array}$

Determine:

The weight if crate (F) and the unstretched length of the spring.

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