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 Jul 27th 2017, 05:53 AM #11 Junior Member   Join Date: Jul 2017 Posts: 5 guiter amplitude please, can anyone have some resources on guiter amplitude
Jul 27th 2017, 09:21 AM   #12
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Join Date: May 2017
Location: Sri Lanka
Posts: 17

 Originally Posted by studiot Do I understand your question to be:- Configuration 'A' 10N acting on the door Configuration 'B' (10N + 15 N) = 25N acting on the door But Why is the moment is the same in both configurations A and B? Woody has partly answered this already. We consider Force sums and Moment sums separately, they are independent. In both A and B you have omitted another force, the hinge reaction. This exactly equals the force sum (10N in A and 25N in B) but since it passes through the hinge it has zero moment about the hinge. Does this help?

This answer is very useful for me. Thank you very much.

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