Solve this.

Solve this. 3 kg Ewal 10 kg g) Less man 10 kg O) More man 10 kg (Andhra Prade

D e a r s t u d e n t, I t w i l l b e l e s s t h a n 10 k g . f o r 3 k g b l o c k - F_{n e t} = T - m g = m a \Rightarrow T - 3 \times 9.8 = 3 a . . . . . . . . . . . . . . . . . . . . . . . . . (1) s i m i l a r l y f o r 7 k g b l o c k - T - 7 \times 9.8 = 7 a . . . . . . . . . . . . . (2) s o l v i n g e q u a t i o n (1) a n d (2) w e g e t, T = 41.16 N T h e n e t T e n s i o n o n t h e p u l l e y d u e t o t w o s t r i n g s = 2 \times 41.16 = 82.32 N R e a d i n g o n s p r i n g b a l a n c e = 82.32 N w h i c h w i l l b e l e s s t h a n 98 N (10 k g \times 9.8 = 98 N) R e g a r d s