Plz solve this Q 26 The mass string system shown in the figure is in equilibrium If the - Physics - Wave Optics

Question

Plz solve this
Q 26 The mass string system shown in the figure is in equilibrium
If the coefficient of friction between A and the table is 0 3, the
frictional force on A is :-

(1) 9 8 N
(2) 2 04 N
(3) 1 96 N
(4) 0 59 N

Shobhit Mittal · Accepted Answer

Dear Student,let the tenson in the string attached to A is Tstring attached to the celing has tension T'balance the force about the point 
T'cos45=TT'cos45=0 2gT=0 2g=0 2*9 8=1
96 N this force is equal to frictional force 
f=1 96 Noption 3Regards

Plz solve this Q.26. The mass string system shown in the figure is in equilibrium. If the coefficient of friction between A and the table is 0.3, the frictional force on A is :- (1) 9.8 N (2) 2.04 N (3) 1.96 N (4) 0.59 N

Plz solve this
Q.26. The mass string system shown in the figure is in equilibrium. If the coefficient of friction between A and the table is 0.3, the frictional force on A is :-

(1) 9.8 N
(2) 2.04 N
(3) 1.96 N
(4) 0.59 N