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Chekhov's gun (or Chekhov's rifle; Russian: Чеховское ружьё) is a narrative principle that states that every element in a story must be necessary and irrelevant elements should be removed. For example, if a writer features a gun in a story, there must be a reason for it, such as it being fired some time later in the plot.
Before the barrel can release the bullet in a consistent manner, it must grip the bullet in a consistent manner. The part of the barrel between where the bullet exits the cartridge, and engages the rifling, is called the "throat", and the length of the throat is the freebore. In some firearms, the freebore is zero as the act of chambering the ...
When the gun is fired, the barrel expands, causing movement within the bearings. When the center of gravity of the total recoiling mass is ahead of the front bearing, at rest, the barrel sits on the bottom of the front bearing and pushes up against the top of the rear bearing. When fired, barrel expansion causes the barrel to push up against ...
Ballistics is the field of mechanics concerned with the launching, flight behaviour and impact effects of projectiles, especially weapon munitions such as bullets, unguided bombs, rockets and the like; the science or art of designing and accelerating projectiles so as to achieve a desired performance.
where is the perpendicular distance of the center of mass of the gun below the barrel axis, () is the force on the gun due to the expanding gases, equal and opposite to the force on the bullet, is the moment of inertia of the gun about its center of mass, or its pivot point, and is the angle of rotation of the barrel axis "up" from its ...
A gun barrel is a crucial part of gun-type weapons such as small firearms, artillery pieces, and air guns. It is the straight shooting tube, usually made of rigid high-strength metal , through which a contained rapid expansion of high-pressure gas(es) is used to propel a projectile out of the front end ( muzzle ) at a high velocity.
An art movement is a tendency or style in art with a specific art philosophy or goal, followed by a group of artists during a specific period of time, (usually a few months, years or decades) or, at least, with the heyday of the movement defined within a number of years.
Literary movements are a way to divide literature into categories of similar philosophical, topical, or aesthetic features, as opposed to divisions by genre or period. Like other categorizations, literary movements provide language for comparing and discussing literary works. These terms are helpful for curricula or anthologies. [1]