Torques(Equilibrium of Solid Objects) Homework Problem - James Bond

[dannyqtee]

Homework Statement

James Bond and Dr. No are engaged in fisticuffs on a board overhanging a pool. Dr. No now pulls out his weapon. oh no!. Bond is in trouble again. Bond quickly calculates the torques and leaps off the left end of the board leaving Dr. No on the right. Is Bond safe? That is, does no feed the fish? Hint, put the pivot on the edge of the building.
L of the board = 18 meters
Mass of board = 45 kg
Dr. No = 60 kg
A picture can be seen here
http://teachers.sduhsd.net/tpscience/physics/notes/AP Physics B Problems/62 - 70 Statics.pdf
Page 66, #9

Homework Equations

0=ƩFx
0=ƩFy
0=ƩTorques

The Attempt at a Solution

 

[Spinnor]

Study the following. Let the left most force equal zero then the problem had the same geometry as yours.

http://www.google.com/imgres?start=...34&tbnw=148&ndsp=18&ved=1t:429,r:21,s:20,i:67