# Principles of Mechanics - Calculate the reaction force and the force exerted

Jan 6th, 2014
Steve1995
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Question description

6 b please

this was my answer which was incorrect

QUESTION SIX PART B

B) TAKING MOMENT AT A

AS WE KNOW THAT

M = F X D , M-MOMENT, F-FORCE, D -DISTANCE
ALL FORCES MUST BE PARALLEL

-WX2+(14XRB)
(-510.12X2)+(14X77.875)
(70.01)NM DOWNWARD

MOMENT AT B

(RAX14)-(WX12)
6121.36-1020.24= 5101NM

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