The Bloodhound Project Forces on BLOODHOUND SSC's airbrake

Forces on BLOODHOUND SSC's airbrake

Maths question of the week
Wednesday, 27 August, 2014
At a certain point of operation, a pin forming part of BLOODHOUND's air brakes experiences five coplanar forces as shown illustrated below. Find the magnitude and direction of the resultant force on the pin.  
There are lots of methods available to solve this problem. Hopefully we will see a few different approaches. 
Please tweet your answers to @BLOODHOUND_SSC with the hash tag #BHmaths. The answer will be released next week.
Question set by Staff Sergeant Matt Chapman from the REME

Scroll down to see the answer and the working....