Find N1 , N2 , N3 plz answer

Dear student,

T h e n o r m a l r e a c t i o n i n s u c h c a s e s i s d u e t o t h e w e i g h t o f t h e b o d y = m g N_{1} = 2 \times 10 = 20 N (a s i t i s d u e t o 2 k g) N_{2} = 5 \times 10 = 50 N (a s i t i s d u e t o (2 + 3) k g) N_{3} = 10 \times 10 = 100 N (a s i t i s d u e t o (2 + 3 + 5) k g)

Regards