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International Edition---engineerin...

4th Edition
Andrew Pytel And Jaan Kiusalaas
Publisher: CENGAGE L
ISBN: 9781305501607
Chapter 3, Problem 3.22P
Textbook Problem
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Determine the resultant of the three forces if (a) θ = 30 ° ; and (b) θ = 45 ° .

Chapter 3, Problem 3.22P, Determine the resultant of the three forces if (a) =30; and (b) =45.

To determine

(a)

Resultant of three forces if θ=30o.

Explanation of Solution

Given:

Forces 400 lb

Concept Used:

Following formula is used

:

  R=Fxi+Fyj 

Calculation:

Diagram

  

From diagram

:

  Fx=400+400cos60+400cos60=0 lbFy=400sin60400sin60=0 lb</

To determine

(b)

Resultant of three forces if θ=45o.

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Chapter 3 Solutions

International Edition---engineering Mechanics: Statics, 4th Edition
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