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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).
Gravitation acting alone does not produce any g-force; g-force is only produced from mechanical pushes and pulls. For a free body (one that is free to move in space) such g-forces only arise as the "inertial" path that is the natural effect of gravitation, or the natural effect of the inertia of mass, is modified.
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.
A light primer strike will result in a dead trigger and the gun will not cycle. This malfunction is not to be mistaken with a squib load which the gunpowder is ignited and the bullet fires, but is trapped in the barrel of a gun. A light primer strike will not have expanding gases as a squib load would produce as sign that there is one.
The consequence is that those on the force with heavy hands will see ejected cases go further than 5 ft (1.5 m). This small amount of slide slam may cause some tiny additional wear to the slide, frame, and shooter's high mass hand, but it is a better option than a limp wristed malfunction for the low hand mass officers.
g-force induced loss of consciousness (abbreviated as G-LOC, pronounced "JEE-lock") is a term generally used in aerospace physiology to describe a loss of consciousness occurring from excessive and sustained g-forces draining blood away from the brain causing cerebral hypoxia.
The Rolls-Royce Merlin engine originally came with a direct carburettor, prone to cut-out due to fuel flooding in negative G. Miss Shilling's orifice was a very simple technical device created to counter engine cut-outs experienced during negative G manoeuvres in early Spitfire and Hurricane fighter aeroplanes during the Battle of Britain.
The MG36 (MG—Maschinengewehr "machine gun") is an automatic rifle variant of the G36 equipped with a heavier barrel for increased thermal performance and cook-off resistance. [2] The MG36 and MG36E (E— Export ) are no longer offered by Heckler & Koch.