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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.
Kinetic energy: KE = 1/2mv 2 (where m is mass and v is velocity). This helps to explain why wounds produced by projectiles of higher mass and/or higher velocity produce greater tissue disruption than projectiles of lower mass and velocity. The velocity of the bullet is a more important determinant of tissue injury.
The nature of the recoil process is determined by the force of the expanding gases in the barrel upon the gun (recoil force), which is equal and opposite to the force upon the ejecta. It is also determined by the counter-recoil force applied to the gun (e.g. an operator's hand or shoulder, or a mount).
Free recoil, sometimes called recoil energy, is a byproduct of the propulsive force from the powder charge held within a firearm chamber (metallic cartridge firearm) or breech (gunpowder firearm). The physical event of free recoil occurs when a powder charge is deflagrated within a firearm, resulting in the conversion of chemical energy held ...
Two shooting victims came in, a man and a woman, about two hours apart, and were quickly patched up. The man was shot twice, in a wrist and a thigh—four holes, not life-threatening. The woman was shot once in the thigh with a small entry wound but no exit wound—a stray bullet that struck her while she was walking down the street.
If the shot mass is 10 kg and its velocity is 1000 m/s, the force generated by the shot on the side of the barrel, as it tries to follow this curvature, will be 10,000 N. Figure 10: Typical transverse forces on a shot front band. Thus, transverse forces generated between the shot and the barrel may be very large.
The term "mass killings" has a similar definition. Akron shooting: At least 1 dead, 26 wounded at Kelly and 8th avenues incident How many mass shootings have there been in 2024?
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