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## Homework Statement

A triangular plate is attached to a wall by two pins A and B. It is loaded at point C by A force F

View attachment diagram.bmp

## Homework Equations

Sum of Moments = 0

Sum of Forces = 0

## The Attempt at a Solution

Moments act around bottom of plate

F*L1=L2*Fa+L3*Fb

Vertical Forces

F=Fa+Fb

Fb=F-Fa

Horizontal Forces

F=0

So vertical forces into moments

F*L1=L2*Fa+L3*(F-Fa)

Fa= F (L1-L3)

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L2 - L3

It doesn't feel right can someone tell me if I've done it right cheers