Ten coins each of mass 10 gm are placed one above the other. The reaction force exerted by 7^(th) coin from the bottom on the 8^(th) coin is (g=10 m//s^(2))

Ten coins each of mass 10 gm are placed one above the other. The react

1.	Ten coins each of mass 10 gm are placed one above the other. The reaction force exerted by 7^(th) coin from the bottom on the 8^(th) coin is (g=10 m//s^(2))
Answer» 0.3 N 0.2 N 0.4 N 0.7 N ANSWER :A