Three blocks
A,B and
C of mass
m each are arranged in pulley mass system as shown. Coefficient of friction between block
A and horizontal surface is equal to
0.5 and a force
P acts on
‘A′ in the direction shown. The value of
Pmg so that block
‘C′ doesn’t move is
![](https://search-static.byjusweb.com/question-images/byjus/ckeditor_assets/pictures/837359/original_22.png)