How to Solve Problems with Moment of Force in Physics

[flower-girl]

Question in moment of force


http://www.roo7oman.com/up/files/357062.jpg

I find moment of Q correct but moment of p is not correct

pleses I want your help

 

[gneill]

Perhaps you could explain your reasoning behind your answer for M_P? If we can see where your concepts have gone off-track and can fix that then it will help you to solve similar problems in the future.

Take each force and describe the acting component of the force and moment arm.

 

[flower-girl]

Now I face problem in moment of P please give me some idea or anything help me to solve it ,,