USA HISTORY

Detailed explanation-1: -The bomb destroyed 5 square miles of the city and caused about 140, 000 deaths by the end of 1945. This implosion-type plutonium bomb, nicknamed Fat Man, weighed 10, 800 pounds.

Detailed explanation-2: -The Manhattan Project produced two different types of atomic bombs, code-named Fat Man and Little Boy. Fat Man, which was dropped on Nagasaki, was the more complex of the two.

Detailed explanation-3: –On 9th August 1945 another nuclear bomb was dropped on the city of Nagasaki by the United States of America which was named fat man.

Detailed explanation-4: -Atomic bombs were codenamed ‘Little Boy’ and ‘Fat Man’ The first atomic bomb dropped on the Japanese city of Hiroshima on August 6, 1945 was codenamed as ‘Little Boy’ by the US, while the codename for the second bomb detonated over Nagasaki was ‘Fat Man.

Detailed explanation-5: -After the Thin Man bomb, whose moniker was inspired by the U.S. President Franklin Roosevelt, didn’t come to fruition, the gun-type uranium atomic bomb named Little Boy was developed. It was likely dubbed as such because it was smaller in size.