P6 LF UPL Flashcards
1
Q
10^-3
A
MILLI
2
Q
10^-2
A
CENTI
3
Q
10^9
A
GIGA
4
Q
10^6
A
MEGA
5
Q
10^-9
A
NANO
6
Q
10^-6
A
MICRO
7
Q
10^3
A
KILO
8
Q
UNIT FOR ELECTRIC CURRENT
A
AMPERE
9
Q
UNIT FOR TEMPERATURE
A
KELVIN
10
Q
UNIT FOR AMOUNT OF SUBSTANCE
A
MOLE
11
Q
UNIT FOR LUMINOUS INTENSITY
A
CANDELA
12
Q
QUANTITY WITHOUT DIRECTION
A
SCALAR
13
Q
QUANTITY WITH DIRECTION
A
VECTOR
14
Q
GIVE FOUR EXAMPLES OF SCALAR QUANTITY
A
TIME
ENERGY
DISTANCE
SPEED
15
Q
GIVE FOUR VECTOR QUANTITIES
A
VELOCITY
DISPLACEMENT
FORCE
ACCELERATION
16
Q
WHAT ARE YOUR 7 BASIC QUANTITIES
A
LENGTH MASS TIME ELECTRIC CURRENT TEMPERATURE AMOUNT OF SUBSTANCE LUMINOUS INTENSITY
17
Q
GIVE FOUR EXAMPLES OF DERIVED QUANTITES
A
VELOCITY
ACCELERATION
FORCE
WORK
18
Q
BRANCH OF SCIENCE DEALING WITH THE INTERACTION OF MATTER AND ENERGY
A
PHYSICS
19
Q
WHAT ARE THE TWO CLASSIFICATIONS OF PHYSICS
A
CLASSICAL
MODERN
20
Q
IT IS THE ABILITY TO DO WORK (what are the three types)
A
ENERGY
KINETIC
POTENTIAL
INTERNAL
21
Q
ENERGY POSSESSED BY A MOVING BODY
A
KINETIC ENERGY
22
Q
ENERGY OF A BODY DUE TO ITS POSITION OR SHAPE
A
POTENTIAL ENERGY
23
Q
WHAT ARE THE THREE KINDS OF POTENTIAL ENERGY:
A
GRAVITATIONAL PE
ELASTIC PE
ELECTRIC PE
24
Q
ENERGY OF AN OBJECT DUE TO ITS VERTICAL SEPARATION FROM THE EARTH’s SURFACE
A
GRAVITATIONAL PE
25
ENERGY IN A STRETCHED OR COMPRESSED RING
ELASTIC PE
26
ENERGY OF ELECTRONS INSIDE AN ATOM
ELECTRIC PE
27
WHAT ARE THE TWO FORMS OF INTERNAL ENERGY
RANDOM KINETIC ENERGY
| CHEMICAL ENERGY
28
RANDOM KINETIC ENERGY IS SHOWN BY?
ATOMS AND MOLECULES
29
ENERGY DUE TO BONDS AND INTERACTION BET ATOMS AND MOLECULES
CHEMICAL ENERGY
30
WHAT IS THE FORMULA FOR SPEED?
Speed = distance / time
31
What is the formula for distance?
Distance = speed x time
32
What is the formula for time?
time = distance / speed
33
What is the formula for velocity?
velocity = displacement / time
34
What is the formula for acceleration?
acceleration = change in velocity / time
35
CHANGE IN POSITION OF A BODY
MOTION
36
LENGTH COVERED BY A BODY DUE TO ITS MOTION
DISTANCE
37
DISTANCE WITH DIRECTION
DISPLACEMENT
38
It is the distance travelled over time
speed
39
what is the unit of speed
m/s
40
ratio of displacement over time
velocity
41
HOW TO SOLVE FOR AVERAGE VELOCITY
V1 + V2/ 2
42
rate of change in velocity with respect to time
acceleration
43
WRITE DOWN THE FOUR KINEMATIC EQUATIONS
VF= Vi + at
44
Motion affected only by gravity
No other forces involved
Y component only
FREE FALL
45
In free fall, the velocity in x axis is?
zero
46
In free fall, the acceleration in x axis is?
constant
47
What is the magnitude constant in Free fall?
10m/s2
48
body thrown horizontally
projectile motion
49
is a path taken by an object in projectile motion
trajectory
50
the acceleration in y coordinate us constant due to?
gravitational acceleration of 10 m/s2
51
In free fall. Force and Velocity are ______ in directions
Opposite
52
an object falling downward in free fall will have ______ velocity
increasing
53
push or pull
force
54
unit for force
newton
55
any external influence that causes a change in state of morion
force
56
is force a vector or scalar quantity
vector
57
what are the three major types of forces?
Contact forces
Friction forces
Long range forces
58
What is an example of contact force?
normal force
59
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
normal force
60
A force exerted on an object parallel to the surface, in the direction opposes sliding
Friction force
61
What are the three types of friction forces
Static
Kinetic or Sliding
Rolling
62
What are the two kinds of long range forces
ELECTROMAGNETIC FORCE
| GRAVITATIONAL FORCE
63
ATTRACTION OR REPULSION BETWEEN ELECTRIC CHARGES OR MAGNETIC POLES
ELECTROMAGNETIC FORCE
64
WRITE DOWN COULOMBS LAW OF MAGNETISM
Fe = k q1q2/r
65
Force which attracts bodies toward each other
Gravitational force
66
Write down the Law of Universal Gravitation
Fg = g m1m2/ r^2
67
The pulling force exerted by a stretched rope or cord on an object to which it's attached
Tension
68
The gravitational force that earth exerts on body
Weight
69
Formula for weight?
Weight = mass (g)
g is acceleration due to gravity (10 m/s^2)
70
What is Newton's first law of motion?
Law of inertia
71
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.
Law of Inertia
72
It is the resistance of an object to changes in motion.
Inertia
73
What is Newton's Second Law?
Law of Acceleration or Law Of Motion and Mass
74
An unbalanced force acting on an object will cause the object to accelerate in the direction of the force.
Law of acceleration
75
In newton's Second law of motion,
Acceleration is ________ to the net force an _____ to its mass
directly proportional
| inversely proportional
76
What is Newton's Third Law of Motion?
Law of interaction
77
For every action there is an equal but opposite reaction.
Law of Interaction
78
Property of matter that enables it to return to its original size and shape when the applied external force is removed.
Elasticity
79
A component of force perpendicular to the area it acts on.
Stress
80
Stress is mathematically given as
Stress = force / area
81
Perpendicular force acting on a unit surface
Pressure
82
What is the equation for Pressure?
Pressure = force / area
83
What is the unit for Pressure?
Pascal
84
Increase in height causes _______ in air density
Decrease
85
Increase in Molecular Collision causes ______ in pressure
Increase
86
An external pressure exerted on a static, enclosed fluid is transmitted uniformly throughout the fluid.
Pascal's Principle
87
Magnitude of buoyant force (Fb) is equal to the weight of displaced fluid by the object.
Archimedes principle
88
Archimedes primciple
Fb = VwDwg
89
A body will float in a fluid if it is _____ dense than the fluid.
less
90
Tendency of a moving object to continue moving and the difficulty encountered in reducing that motion.
Momentum
91
momentum is symbolized as
p
92
formula for momentum
p=mv
mass
velocity
93
unit for momentum
kg * m/s
94
Impulse formula
Impulse = Ft
force
time
95
Unit for impulse
N * s
96
If no external force like friction acts on a body, the momentum of the body will not change
Conservation of momentum
97
Formula for the momentum of the system before collision
p = mv1 + mv2
98
formula for the momentum of system after collision
p' = m1v1' + m2v2'
99
The law of conservation of momentum states that
change in momentum = final momentum - initial momentum = 0
100
Property of matter that enables it to return to its original size and shape when the applied external force is removed.
Elasticity
101
A component of force perpendicular to the area it acts on.
Stress
102
Stress is mathematically given as
Stress = force / area
103
Perpendicular force acting on a unit surface
Pressure
104
What is the equation for Pressure?
Pressure = force / area
105
What is the unit for Pressure?
Pascal
106
Increase in height causes _______ in air density
Decrease
107
Increase in Molecular Collision causes ______ in pressure
Increase
108
An external pressure exerted on a static, enclosed fluid is transmitted uniformly throughout the fluid.
Pascal's Principle
109
Magnitude of buoyant force (Fb) is equal to the weight of displaced fluid by the object.
Archimedes principle
110
Archimedes primciple
Fb = VwDwg
111
A body will float in a fluid if it is _____ dense than the fluid.
less
112
Tendency of a moving object to continue moving and the difficulty encountered in reducing that motion.
Momentum
113
momentum is symbolized as
p
114
formula for momentum
p=mv
mass
velocity
115
unit for momentum
kg * m/s
116
Impulse formula
Impulse = Ft
force
time
117
Unit for impulse
N * s
118
If no external force like friction acts on a body, the momentum of the body will not change
Conservation of momentum
119
Formula for the momentum of the system before collision
p = mv1 + mv2
120
formula for the momentum of system after collision
p' = m1v1' + m2v2'
121
The law of conservation of momentum states that
change in momentum = final momentum - initial momentum = 0
122
Property of matter that enables it to return to its original size and shape when the applied external force is removed.
Elasticity
123
A component of force perpendicular to the area it acts on.
Stress
124
Stress is mathematically given as
Stress = force / area
