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Beginning of Paper
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How Guns Work
A gun is a weapon that uses the force of an explosive propellant to project a
Guns or firearms are classified by the diameter of the barrel opening. This is
known as the calibre of the gun. Anything with a calibre up to and including .
60 calibre(0.6 inches) is known as a firearm.
The precise origin of the gun is unknown ....
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Middle of Paper
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.... change potential chemical energy into kinetic energy in the actual
firing of the gun. Many people do not realise that the force imparted by
accelerating the bullet is not the only force acting on the gun, or the shooter.
Grains of burned gun powder are sent out the muzzle at high velocity. When the
trigger is pulled, the hammer strikes a small charge at the end of the shell,
the ammunition. This charge ignites black gun powder packed behind the lead
ball bearings. When the black gun powder burns, it produces gas that rapidly
expands with the burning of more black gun powder ....
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SUBJECTS
