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International Edition---engineerin...

4th Edition
Andrew Pytel And Jaan Kiusalaas
Publisher: CENGAGE L
ISBN: 9781305501607
Chapter 1, Problem 1.50P
Textbook Problem
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The two forces are applied to the end of the boom OA. Determine the force F so that the resultant of the two forces lies in the yz-plane.

Chapter 1, Problem 1.50P, The two forces are applied to the end of the boom OA. Determine the force F so that the resultant of

To determine

The force F so that the resultant of two forces lies in the yz plane.

Explanation of Solution

Given Information:

  

Calculation:

If the resultant force lies in the yz plane, the rectangular component along x axis will be zero.

The coordinates f points marked in given figure are,

  A(0,8,0)B(8,0,4)C(4,0,4)

So, the position vectors of B and C relative to A are,

  AB=(80)i+(08)j+(40)k =8i8j+4kAC=(40)i+(08)j+(40)k =4i8j+4k

The force vectors along these position vectors are,

  FAB=F× AB| AB |=F×8i8j+4k 8 2 + 8 2

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Chapter 1 Solutions

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