Four coplanar forces act on a beam the forces Fb and Fc are vertical .the vector sum of the forces is zero?
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06-13-2014, 07:00 AM
Post: #2
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If coplanar, all 4 forces must be vertical.
Directions of fb and fc are unknown, so the problem can not be solved. All we can say is Fa + Fd = -(fb + fc) Ads |
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Four coplanar forces act on a beam the forces Fb and Fc are vertical .the vector sum of the forces is zero? - 021 - 06-13-2014, 06:56 AM
[] - 742 - 06-13-2014 07:00 AM
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