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According to Newtonian mechanics, if the gun and shooter are at rest initially, the force on the bullet will be equal to that on the gun-shooter. This is due to Newton's third law of motion (For every action, there is an equal and opposite reaction). Consider a system where the gun and shooter have a combined mass m g and the bullet has a mass m b.
The M16 rifle and the AK-47, two common firearms with significant influences on firearm design. A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and operated by an individual. [1] [2] [3] The term is legally defined further in different countries (see legal definitions).
The Gauss gun (often called a Gauss rifle or Gauss cannon) is a device that uses permanent magnets and the physics of the Newton's cradle to accelerate a projectile. Gauss guns are distinct from and predate coil guns , although many works of science fiction (and occasionally educators [ 1 ] ) have confused the two.
The "true gun" appears to have emerged in late 1200s China, around 300 years after the appearance of the fire lance. [4] [5] Although the term "gun" postdates the invention of firearms, historians have applied it to the earliest firearms such as the Heilongjiang hand cannon of 1288 [17] or the vase shaped European cannon of 1326. [18]
The oldest surviving firearm is the Heilongjiang hand cannon dated to 1288, which was discovered in modern-day Acheng District where the History of Yuan records that battles were fought. Li Ting, a military commander of Jurchen descent, led foot soldiers armed with hand cannons to suppress the rebellion of the Eastern Christian Mongol Prince ...
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The Ho Chi Minh City University of Technology (HCMUT; Vietnamese: Trường Đại học Bách khoa, Đại học Quốc gia Thành phố Hồ Chí Minh, lit. 'Polytechnic of Vietnam National University, Ho Chi Minh City') [1] is a research university in Ho Chi Minh City, Vietnam.
A gun is a normally tubular weapon or other device designed to discharge projectiles or other material. [20] The projectile may be solid, liquid, gas, or energy and may be free, as with bullets and artillery shells, or captive as with Taser probes and whaling harpoons .