Torque question

[northernwind]

Physics help with torque question - I am defeated!

Dont need help thanks

 

[berkeman]

Welcome to the PF.

Please show us your FBD...

 

[northernwind]

Thank you for the welcome and reply. Here is my diagram:

 

[SteamKing]

When the tire starts to pivot about the curb, what is the value of N?

Have you written your equations of static equilibrium when the tire is off the ground?