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FORENSIC BALLISTIC > PRELIMS > Flashcards

PRELIMS Flashcards

1
Q

Refers to the “Science of firearms identification” which involves the scientific examination of ballistic exhibits – fired bullet, fired shells, firearms, and allied matters – used in crimes.

A

FORENSIC BALLISTICS

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2
Q

Is the science of the motion of the projectile and
the condition that affects their motion.

A

BALLISTICS

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3
Q

The word “Ballistics” was originated from the Greek
word ——

A

“Ballo” or “Ballein”

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4
Q

means to throw or to propel

A

Ballo or Ballein

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5
Q

-a gigantic bow or catapult used throw missiles and large objects such as stones at a particular distance to deter animal or enemy forces.

A

Ballista

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6
Q

From those words the term Ballistics was derived to
indicate the ——

A

science of moving projectile

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7
Q

Is any metallic or non-metallic ball which is
propelled from a firearm.

A

PROJECTILE

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8
Q

An object that can be fired or launched

A

PROJECTILE

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9
Q

The mobility or movement of the projectile from the time it leaves the shell empty; it leaves the gun muzzle and until it reach its target or fall in the ground

A

MOTION

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10
Q

PERSONS BEHIND THE CREATION OF FIREARMS

A

CHJJDSUAHJGMEO

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11
Q

Known as “The Father of Modern Ballistics”

A

COL. CALVIN GODDARD

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12
Q

He was able to establish a comparison microscope used to determine whether or not a bullet or shell was fired on a particular firearm

A

COL. CALVIN GODDARD

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13
Q

• Founded the Smith and Wesson

A

HORACE SMITH & DANIEL WESSON

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14
Q

The maker of the breech-loading rifles and
revolvers

A

HORACE SMITH & DANIEL WESSON

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15
Q

• The “Wizard of Modern Firearm”

A

JOHN BROWNING

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16
Q

Pioneered the breech-loading single shot rifled which was adopted by Winchester

A

JOHN BROWNING

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17
Q

Pioneered the making of Thompson sub-
machine gun

A

JOHN THOMPSON

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18
Q

The Thompson was also informally known
as:

A

o Tommy Gun
o Trench Broom
o Trench Sweeper
o Chicago Typewriter
o Chicago Piano
o Chopper

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19
Q

Creator of the First-known Carbine

A

DAVID WILLIAMS

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20
Q

Create the first practical revolver

A

SAMUEL COLT

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21
Q

He invented a sub-machine gun in the 1950’s which was used by the Israeli Army during its Sinai campaign in 1956

A

UZIEL GAL

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22
Q

He is the “FATHER OF THE PERCUSSION
IGNITION”

A

ALEXANDER JOHN FORSYTH

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23
Q

He is the manufacturer of the Pocket Pistol

A

HENRY DERRINGER

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24
Q

Designed and invented the Semi Automatic
U.S Rifle Cal. 30. M1 Garand

A

JOHN GARAND

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25
Q

A well-known expert in the field of SMG
developed in 1941

A

GEORGE HYDE

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26
Q

Designed the AK (Automat Kalashnikova)
47 adopted by the Russian Army in 1951

A

MIKHAIL KALSHNIKOV

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27
Q

Designed the U.S M16 Armalite under license by Colt Company from July 1959

A

EUGENE STONER

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28
Q

One of the earliest rifle and pistol maker

A

OLIVE WINCHESTER

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29
Q

A gunpowder weapon that is considered to be a proto-gun, the predecessor of the hand cannon and the ancestor of all firearms

A

10th Century China, the Fire lance was used.

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30
Q

Earliest known written formula for gunpowder,
from _____ in 1044.

A

China

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31
Q

____ published the “De Mirabili Potestate Artis et Naturae” (On the Marvelous Power of Arts and Nature), which noted______

A

Roger Bacon

Black Powder Formula

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32
Q

The earliest known type of handgun was simply a small cannon that is called

A

Hand Cannons

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33
Q

____ was introduce, the 1st major advance in pistols that can be fired using one hand.

A

Matchlock

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34
Q

The gun experienced its first major evolution
with the discovery of ____

A

rifling

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35
Q

A type of FA that has a serrated wheel.

A

Wheel lock

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36
Q

Wheel lock- credited the creation to_____ of Nuremberg, Germany. A type of FA
that has a serrated wheel.

A

Johann Kiefuss

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37
Q
  • early form of flintlock
A

Snaphaunce

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38
Q

A weapon with a mainspring inside the lock plate and a priming pan cover which had to be manually pushed back before firing

A

Snaphaunce

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39
Q

was developed. Ball and powder charged were wrapped in chemically treated paper to allow the carrying of numerous pre-measured charges or pre-
loaded rounds

A

Paper Cartridge

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40
Q
  • the same with the wheel lock but replaced the iron pyrite with a flint
A

Flintlock

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41
Q
  • like the snaphaunce, it is also a type of flintlock where the mainspring will be automatically pushed back before firing
A

Miquelet

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42
Q

, a British Army officer, developed the Ferguson rifle, a breech- loading flintlock a firearm

A

Patrick Ferguson

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43
Q

WHO discovered a compound that would ignite upon blow that would ignite the powder charge. In 1840, it replaced the flintlock ignition and was adopted in 1838 by the British and in 1842 by the American

A

Alexander John Forsyth

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44
Q

patented the first revolver and marketed in 1872, a breech loading revolver

A

Samuel Colt

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45
Q

, developed by the French which used a Pin-Fire Cartridge, the first self- expanding cartridge;

A

The Le Faucheux

46
Q

patented the Gatling Gun

A

Richard Jordan Gatling

47
Q

, a six-barreled weapon capable of firing a phenomenal 200 rounds per minute, considering its usefulness. It is considered the precursor to the modern machine gun;

A

Gatling Gun

48
Q

was discovered. It was used in shotguns first in the year 1864 by Capt. Eschultze of the Prussian Army and in Rifle by the year 1884 by Paul M. Vieille France

A

Smokeless powder

49
Q

The most famous revolver in history and legend was manufactured

A

Colt Peacemaker, model 1873, .45 cal

50
Q

Automatic Machine Gun. _____
developed the first fully automatic gun;

A

Hiram Maxim

51
Q

The first automatic pistol was created by

A

Joseph Laumann

52
Q

Creation of the self-loading pistol with the
introduction of ____

A

7.63 mm Mauser

53
Q

THREE TYPES OF MOTION

A

DRT

54
Q

Is the forward motion of the bullet or shots out of
the shell by the action of the expansive force of
gasses from a burning gun powder.

A

DIRECT

55
Q

Is the action of the bullet passing through a rifled bore barrel firearm which is either twisted to the left or to the right.

A

ROTARY

56
Q

The straight line movement where every part of
the projectile follows a parallel path and no
rotation takes place

A

TRANSLATIONAL

57
Q

BRANCHES OF BALLISTICS

A

Interior Ballistics
Transitional/Intermediate Ballistics
External Ballistics
Terminal Ballistics
Forensic Ballistics

58
Q

SUB-BRANCHES

A

Shot Ballistics
Wound Ballistics

59
Q

The branch of ballistics which is concerned with
the properties of the projectile or bullet while still
inside the barrel of the gun and this extends from
the breech to the muzzle.

A

INTERIOR/INTERNAL BALLISTICS

60
Q

The explosion of the bullet is ____ sec The bullets
occupies the muzzle of the firearm for only ____
sec.

A

.0002

0.01

61
Q

THE CONDITIONS ATTRIBUTED TO INTERNAL
BALLISTICS ARE AS FOLLOWS:

A
  1. Firing pin hitting the primer
  2. Ignition of the priming mixture
  3. Combustion of the gun powder/powder
    charge or propellant
  4. Expansion of heated gas
  5. Pressure developed
  6. Energy generated
  7. Recoil of the gun
  8. Velocity of the bullet inside the barrel
  9. Rotation of the bullet inside the barrel
  10. Engraving of the cylindrical surface of the
    bullet
62
Q

Failure of the cartridge to explode after the firing pin strikes the primer

A

MISFIRE

63
Q

MISFIRE DEFECTS:

A

a. Broken Firing Pin
b. Loose Firing Pin
c. Lacking length in Firing Pin (specially
homemade gun)

64
Q

Delayed of explosion of the cartridge after the firing pin strikes the primer

A

HANGFIRE

65
Q

HANGFIRE DEFECTS

A

a. Wet Priming Mixture
b. The Anvil is not properly fixed (slanting
position)
c. No vent or flash hole (Factory defect)
d. No priming mixture at all (Factory defect)

66
Q

is a mechanism that actuates the firing sequence of a firearm.

A

trigger

67
Q

is a part of a firearm that is used to strike the percussion cap/primer, or separate firing pin, to ignite the propellant and fire the projectile.

A

hammer

68
Q

is a lightweight part, which serves to transfer energy from a spring-loaded hammer to the primer.

A

firing pin

69
Q

is the ignition system of the cartridge used in a center fire type, containing a highly sensitive chemical compound that would easily ignite or burst
into flame when struck by the firing pin.

A

Primer/Cap

70
Q

another portion of the recoil action characterized as the backward and upward movement that takes place before the bullet leaves the muzzle.

A

Jump

71
Q

It is the projectile’s behaviour from the time it leaves the muzzle until the pressure behind the projectile is equalized.

A

TRANSITIONAL/INTERMEDIATE BALLISTICS

72
Q

Rotation of the bullet from its front side

A

TUMBLE

73
Q

The unsteady and uneven spin or rotation of a bullet; usually caused by insufficient twist in the riffle barrel on its back side

A

WOBBLE

74
Q

Refers to the study of the bullets or missiles flight after it leaves the gun muzzle and before it strikes the target.

A

EXTERNAL/EXTERIOR BALLISTICS

75
Q

– The noise created at the muzzle point.

A

MUZZLE BLAST

76
Q

– The energy generated at the muzzle point.

A

MUZZLE ENERGY

77
Q

Conditions of the bullet in flight

A

o YAW
o PRECESSION
o NUTATION

78
Q

The trembling or unstable rotating motion of bullet at the start of its flight

A

YAW

79
Q

It is the rotating movement of the bullet

A

PRECESSION

80
Q

The unsteady movement of the bullet or wobbling
movement of the bullet

A

NUTATION

81
Q

Refers to the steady-flight or parabola-like flight
of the bullet

A

TRAJECTORY

82
Q

– the distance between the muzzle and the target

A

RANGE

83
Q
  • the distance in which the shooter has the control of his shots.
A

Accurate Range

84
Q

farthest distance the projectile can be propelled.

A

Maximum Range

85
Q
  • distance where the projectile can inflict damage
A

Effective Range (Wounding Capability)

86
Q
  • the farthest distance the projectile is effective against the intended target
A

Maximum Effective Range

87
Q
  • rate of speed of the bullet in flight. It is expressed in Feet per Second (F/S)
A

VELOCITY

88
Q

resistance encountered by the bullet in flight.

A

AIR RESISTENCE/AERODYNAMIC DRAG-

89
Q
  • the downward reaction of the bullet due to its weight
A

PULL OF GRAVITY

90
Q
  • the depth to which the bullet has entered its target or object hit
A

PENETRATION

91
Q

Refers to the impact or effect of the bullet on the
target.

A

TERMINAL BALLISTICS

92
Q

TERMINAL BALLISTICS
This can be subdivided into two:

A

PENETRATION POTENTIAL
WOUND BALLISTICS

93
Q
  • capability of the bullet to penetrate various materials
A

PENETRATION POTENTIAL

94
Q
  • effect of the bullet on the living tissue
A

WOUND BALLISTICS

95
Q
  • refers to the size of the bullet groupings on the target
A

Terminal Accuracy

96
Q
  • energy of the projectile when it
    hits the target
A

Terminal Energy

97
Q
  • speed of the bullet once it hits
    the target
A

Terminal Velocity

98
Q
  • depth of the bullet to the
    target
A

Terminal Penetration

99
Q
  • the depth to which a projectile sinks
A

Penetration

100
Q

It is a discipline that refers to the investigation and
identification of the cartridge and what firearm it
is specifically fired at.

A

FORENSIC BALLISTICS

101
Q

The branch of science which
the police used as their guide in their
investigation.

A

FORENSIC BALLISTICS

102
Q
  • it is all the investigative activities done in the field
    involving the use of firearms and ammunition.
A

FIELD INVESTIGATION

103
Q
  • a task done at the laboratory.
A

TECHNICAL EXAMINATION

104
Q
  • the presentation of evidence and technical reports to the trial court.
A

LEGAL PROCEEDINGS

105
Q

ballistic trauma or bullet wound, is a form of physical
trauma sustained from the discharge of arms or
munitions.

A

gunshot wound, also known as GSW

106
Q

the predecessor of the hand cannon

A

Fire lance

107
Q

ancestor of all firearms

A

Fire lance

108
Q

a breech- loading flintlock a firearm

A

Ferguson rifle

109
Q

The most famous revolver in history

A

model 1873, .45 cal

110
Q

It is considered the precursor to the modern machine gun;

A

Gatling Gun

FORENSIC BALLISTIC (3 decks)

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