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LF > P6 LF UPL > Flashcards

P6 LF UPL Flashcards

1
Q

10^-3

A

MILLI

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2
Q

10^-2

A

CENTI

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3
Q

10^9

A

GIGA

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4
Q

10^6

A

MEGA

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5
Q

10^-9

A

NANO

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6
Q

10^-6

A

MICRO

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7
Q

10^3

A

KILO

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8
Q

UNIT FOR ELECTRIC CURRENT

A

AMPERE

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9
Q

UNIT FOR TEMPERATURE

A

KELVIN

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10
Q

UNIT FOR AMOUNT OF SUBSTANCE

A

MOLE

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11
Q

UNIT FOR LUMINOUS INTENSITY

A

CANDELA

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12
Q

QUANTITY WITHOUT DIRECTION

A

SCALAR

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13
Q

QUANTITY WITH DIRECTION

A

VECTOR

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14
Q

GIVE FOUR EXAMPLES OF SCALAR QUANTITY

A

TIME
ENERGY
DISTANCE
SPEED

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15
Q

GIVE FOUR VECTOR QUANTITIES

A

VELOCITY
DISPLACEMENT
FORCE
ACCELERATION

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16
Q

WHAT ARE YOUR 7 BASIC QUANTITIES

A 
LENGTH
MASS 
TIME
ELECTRIC CURRENT
TEMPERATURE
AMOUNT OF SUBSTANCE
LUMINOUS INTENSITY
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17
Q

GIVE FOUR EXAMPLES OF DERIVED QUANTITES

A

VELOCITY
ACCELERATION
FORCE
WORK

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18
Q

BRANCH OF SCIENCE DEALING WITH THE INTERACTION OF MATTER AND ENERGY

A

PHYSICS

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19
Q

WHAT ARE THE TWO CLASSIFICATIONS OF PHYSICS

A

CLASSICAL

MODERN

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20
Q

IT IS THE ABILITY TO DO WORK (what are the three types)

A

ENERGY

KINETIC
POTENTIAL
INTERNAL

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21
Q

ENERGY POSSESSED BY A MOVING BODY

A

KINETIC ENERGY

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22
Q

ENERGY OF A BODY DUE TO ITS POSITION OR SHAPE

A

POTENTIAL ENERGY

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23
Q

WHAT ARE THE THREE KINDS OF POTENTIAL ENERGY:

A

GRAVITATIONAL PE
ELASTIC PE
ELECTRIC PE

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24
Q

ENERGY OF AN OBJECT DUE TO ITS VERTICAL SEPARATION FROM THE EARTH’s SURFACE

A

GRAVITATIONAL PE

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25
Q

ENERGY IN A STRETCHED OR COMPRESSED RING

A

ELASTIC PE

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26
Q

ENERGY OF ELECTRONS INSIDE AN ATOM

A

ELECTRIC PE

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27
Q

WHAT ARE THE TWO FORMS OF INTERNAL ENERGY

A

RANDOM KINETIC ENERGY

CHEMICAL ENERGY

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28
Q

RANDOM KINETIC ENERGY IS SHOWN BY?

A

ATOMS AND MOLECULES

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29
Q

ENERGY DUE TO BONDS AND INTERACTION BET ATOMS AND MOLECULES

A

CHEMICAL ENERGY

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30
Q

WHAT IS THE FORMULA FOR SPEED?

A

Speed = distance / time

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31
Q

What is the formula for distance?

A

Distance = speed x time

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32
Q

What is the formula for time?

A

time = distance / speed

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33
Q

What is the formula for velocity?

A

velocity = displacement / time

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34
Q

What is the formula for acceleration?

A

acceleration = change in velocity / time

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35
Q

CHANGE IN POSITION OF A BODY

A

MOTION

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36
Q

LENGTH COVERED BY A BODY DUE TO ITS MOTION

A

DISTANCE

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37
Q

DISTANCE WITH DIRECTION

A

DISPLACEMENT

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38
Q

It is the distance travelled over time

A

speed

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39
Q

what is the unit of speed

A

m/s

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40
Q

ratio of displacement over time

A

velocity

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41
Q

HOW TO SOLVE FOR AVERAGE VELOCITY

A

V1 + V2/ 2

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42
Q

rate of change in velocity with respect to time

A

acceleration

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43
Q

WRITE DOWN THE FOUR KINEMATIC EQUATIONS

A

VF= Vi + at

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44
Q

Motion affected only by gravity
No other forces involved

Y component only

A

FREE FALL

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45
Q

In free fall, the velocity in x axis is?

A

zero

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46
Q

In free fall, the acceleration in x axis is?

A

constant

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47
Q

What is the magnitude constant in Free fall?

A

10m/s2

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48
Q

body thrown horizontally

A

projectile motion

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49
Q

is a path taken by an object in projectile motion

A

trajectory

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50
Q

the acceleration in y coordinate us constant due to?

A

gravitational acceleration of 10 m/s2

51
Q

In free fall. Force and Velocity are ______ in directions

A

Opposite

52
Q

an object falling downward in free fall will have ______ velocity

A

increasing

53
Q

push or pull

A

force

54
Q

unit for force

A

newton

55
Q

any external influence that causes a change in state of morion

A

force

56
Q

is force a vector or scalar quantity

A

vector

57
Q

what are the three major types of forces?

A

Contact forces
Friction forces
Long range forces

58
Q

What is an example of contact force?

A

normal force

59
Q

It is the force exerted on an object by any surface with which it is in contact. This force is always perpendicular to the said surface

A

normal force

60
Q

A force exerted on an object parallel to the surface, in the direction opposes sliding

A

Friction force

61
Q

What are the three types of friction forces

A

Static
Kinetic or Sliding
Rolling

62
Q

What are the two kinds of long range forces

A

ELECTROMAGNETIC FORCE

GRAVITATIONAL FORCE

63
Q

ATTRACTION OR REPULSION BETWEEN ELECTRIC CHARGES OR MAGNETIC POLES

A

ELECTROMAGNETIC FORCE

64
Q

WRITE DOWN COULOMBS LAW OF MAGNETISM

A

Fe = k q1q2/r

65
Q

Force which attracts bodies toward each other

A

Gravitational force

66
Q

Write down the Law of Universal Gravitation

A

Fg = g m1m2/ r^2

67
Q

The pulling force exerted by a stretched rope or cord on an object to which it’s attached

A

Tension

68
Q

The gravitational force that earth exerts on body

A

Weight

69
Q

Formula for weight?

A

Weight = mass (g)

g is acceleration due to gravity (10 m/s^2)

70
Q

What is Newton’s first law of motion?

A

Law of inertia

71
Q

Bodies at rest will remain at rest and bodies in motion will continue moving in a straight line unless acted upon by a net force.

A

Law of Inertia

72
Q

It is the resistance of an object to changes in motion.

A

Inertia

73
Q

What is Newton’s Second Law?

A

Law of Acceleration or Law Of Motion and Mass

74
Q

An unbalanced force acting on an object will cause the object to accelerate in the direction of the force.

A

Law of acceleration

75
Q

In newton’s Second law of motion,

Acceleration is ________ to the net force an _____ to its mass

A

directly proportional

inversely proportional

76
Q

What is Newton’s Third Law of Motion?

A

Law of interaction

77
Q

For every action there is an equal but opposite reaction.

A

Law of Interaction

78
Q

Property of matter that enables it to return to its original size and shape when the applied external force is removed.

A

Elasticity

79
Q

A component of force perpendicular to the area it acts on.

A

Stress

80
Q

Stress is mathematically given as

A

Stress = force / area

81
Q

Perpendicular force acting on a unit surface

A

Pressure

82
Q

What is the equation for Pressure?

A

Pressure = force / area

83
Q

What is the unit for Pressure?

A

Pascal

84
Q

Increase in height causes _______ in air density

A

Decrease

85
Q

Increase in Molecular Collision causes ______ in pressure

A

Increase

86
Q

An external pressure exerted on a static, enclosed fluid is transmitted uniformly throughout the fluid.

A

Pascal’s Principle

87
Q

Magnitude of buoyant force (Fb) is equal to the weight of displaced fluid by the object.

A

Archimedes principle

88
Q

Archimedes primciple

A

Fb = VwDwg

89
Q

A body will float in a fluid if it is _____ dense than the fluid.

A

less

90
Q

Tendency of a moving object to continue moving and the difficulty encountered in reducing that motion.

A

Momentum

91
Q

momentum is symbolized as

A

p

92
Q

formula for momentum

A

p=mv

mass
velocity

93
Q

unit for momentum

A

kg * m/s

94
Q

Impulse formula

A

Impulse = Ft

force
time

95
Q

Unit for impulse

A

N * s

96
Q

If no external force like friction acts on a body, the momentum of the body will not change

A

Conservation of momentum

97
Q

Formula for the momentum of the system before collision

A

p = mv1 + mv2

98
Q

formula for the momentum of system after collision

A

p’ = m1v1’ + m2v2’

99
Q

The law of conservation of momentum states that

A

change in momentum = final momentum - initial momentum = 0

100
Q

Property of matter that enables it to return to its original size and shape when the applied external force is removed.

A

Elasticity

101
Q

A component of force perpendicular to the area it acts on.

A

Stress

102
Q

Stress is mathematically given as

A

Stress = force / area

103
Q

Perpendicular force acting on a unit surface

A

Pressure

104
Q

What is the equation for Pressure?

A

Pressure = force / area

105
Q

What is the unit for Pressure?

A

Pascal

106
Q

Increase in height causes _______ in air density

A

Decrease

107
Q

Increase in Molecular Collision causes ______ in pressure

A

Increase

108
Q

An external pressure exerted on a static, enclosed fluid is transmitted uniformly throughout the fluid.

A

Pascal’s Principle

109
Q

Magnitude of buoyant force (Fb) is equal to the weight of displaced fluid by the object.

A

Archimedes principle

110
Q

Archimedes primciple

A

Fb = VwDwg

111
Q

A body will float in a fluid if it is _____ dense than the fluid.

A

less

112
Q

Tendency of a moving object to continue moving and the difficulty encountered in reducing that motion.

A

Momentum

113
Q

momentum is symbolized as

A

p

114
Q

formula for momentum

A

p=mv

mass
velocity

115
Q

unit for momentum

A

kg * m/s

116
Q

Impulse formula

A

Impulse = Ft

force
time

117
Q

Unit for impulse

A

N * s

118
Q

If no external force like friction acts on a body, the momentum of the body will not change

A

Conservation of momentum

119
Q

Formula for the momentum of the system before collision

A

p = mv1 + mv2

120
Q

formula for the momentum of system after collision

A

p’ = m1v1’ + m2v2’

121
Q

The law of conservation of momentum states that

A

change in momentum = final momentum - initial momentum = 0

122
Q

Property of matter that enables it to return to its original size and shape when the applied external force is removed.

A

Elasticity

123
Q

A component of force perpendicular to the area it acts on.

A

Stress

124
Q

Stress is mathematically given as

A

Stress = force / area

LF (10 decks)

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