In the problem what force should the man exert on the rope to get his correct weight on the machine ?

In the problem what force should the man exert on the rope to get his

1.	In the problem what force should the man exert on the rope to get his correct weight on the machine ?
Answer» Solution :`T-cancel(M)G+cancel(M)g=Ma` `(because R=MG)a=(T)/(M)` `T-Mg-mg=ma` `T-m(T)/(M)=(m+M)g` `T=((m+M)Mg)/(M-m)=((30+60)60XX10)/(60-30)` `= (""^(3)cancel(90)XX600)/(cancel(30))=1800N`