Guns Essay (One World)

Introduction

Guns are a very important invention that has do the world. They are also an interesting technological device that exemplifies spick-and-spantons triplet law of motion.

Physics of guns

When a gun is fired, in that respect is a momentum used to propel the bullet in advance from the gun. brand-newtons third law of motion states that to each and every action, at that place is an equal and opposite reaction, so the gun pull up stakes recoil. The tot momentum is therefore equal to zero. The bullet slows down(p) in the air. When the bullet hits the victim, not all of the bullets energy goes into `pushing the victim. somewhat of it appears as a shock-wave inside their body, while some appears as damage of the bullet or victim.

Picture 1: R-77 revolver Gamo combat 4

Picture 2: Drawing of olden Chinese troop preparing to battle using guns.

166667mm; color: black; background-color: clean; >History of guns

Gunpowder was discovered accidentally when some Chinese alchemists tried to capture the secret to immortality around 850 AD. It was first used for military purposes in 919 AD. In the official Song history, `fire cannons were made from bamboo alter with gunpowder. The first gun, found in the 1970s in Manchuria, was go out to around 1290 AD. By the 1350s, gunpowder and guns had become common weapons on the battlefield.

Impact on society

Guns are important for self-protection, especially in cities where disgust rates are high. In the U.S., guns are used for self-protection against criminals nearly 2 million measure per year, 5 times more than guns are used to commit crimes, and 128 times the total number of murders. According to the National Crime Victimization Surveys, hatful who use guns to defend themselves are less likely to be attacked or injured than people who use other methods of protection. On the other hand, people who commit...

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