Physics Help Forum forces and moment

 Kinematics and Dynamics Kinematics and Dynamics Physics Help Forum

 Jun 5th 2019, 03:55 PM #1 Junior Member   Join Date: May 2019 Posts: 3 Hey guys i am trying to solve question a . when only F is acting i think moment at A= F*b torsion at a = F*a what would be forces and moment when 1. only f2 is acting 2. only f3 is acting Attached Thumbnails   Last edited by NZ23; Jun 5th 2019 at 04:00 PM.
 Jun 5th 2019, 04:39 PM #2 Senior Member     Join Date: Jun 2016 Location: England Posts: 960 You have made a distinction between moment and torsion, You realise that they are both moments, just acting to try to twist the flange in different directions. Similarly f2 or f3 will each create a moment at the flange (twisting in a third direction) due to the Forces acting via a "lever" of length b. There will be only one moment (no torsion) and it will be in a different direction to the original moment. __________________ ~\o/~ Last edited by Woody; Jun 5th 2019 at 04:43 PM.

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