AP EAMCET Engineering 22 Apr 2019 Shift 1 Paper

Consider the free body diagram of the system,The equilibrium equations for the system is,
T=mg ....(I)
T=(2g−T1)‌sin‌30° ......(II)
T1=1g ......(III)
Substitute T1=1g in equation (II)
T=(2g−1g)‌sin‌30°
T=

g

2

From equation (I),

g

2

=mg
m=0.5‌kg