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General Physics 1 > Physics Reviewer > Flashcards

Physics Reviewer Flashcards

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1
Q

This is the year where the law of gravitation is published

A

1687

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2
Q

It is defined to be the change in position with change in time

A

Velocity

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3
Q

The total number of vibrations per unit of time of the motion

A

Frequency

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4
Q

Kepler’s Third law of Planetary Motion

A

Law of Periods

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5
Q

In descriptions of orbits in the solar system, it is more common to use __________ which describes the size of the orbit

A

Semi-major axis

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6
Q

The only force acting on a sattelite in circular orbit around the Earth

A

Earth’s Gravitational Attraction

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7
Q

It states that for any two positions of the planet along the orbit that are separated by the same amount of time, the area swept out in this manner will be the same

A

Kepler’s Second Law of Planetary Motion (Law of Areas)

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8
Q

This is the maximum displacement of their medium from their equilibrium position

A

Amplitude

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9
Q

It refers to the slow movement of an object in a system which returns to equilibrium

A

Overdamped

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10
Q

It is an oscillatory motion experienced by an object displaced by a force from an equilibrium position

A

Simple Harmonics

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11
Q

The point in a planet’s orbit closest to the Sun

A

Perihelion

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12
Q

It defined to be the amount of elongation in a planet’s orbit

A

Eccentricity/ Orbit Eccentricity

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13
Q

This are the two points that are equidistant form center on major axis

A

Focus/Foci

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14
Q

A Danish astronomer who reasoned out that the distance of the object may be determined by measuring the amount of parralax

A

Tycho Brahe

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15
Q

The apparent change in the location of an object due to the difference in location of the observer

A

Parralax

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16
Q

The power delivered per unit area is defined as wave intensity and is also known as __________ in optics

A

Irradiance

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17
Q

Module 4 Title

A

Energy in Waves: Intensity

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18
Q

Physical Pendulum Equation

A

T = 2π√I/mgL

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19
Q

Acceleration due to gravity value

A

9.81 m/s^2

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20
Q

The universal law of gravitation equation

A

Fg = Gm1m2/r^2

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21
Q

The speed is constant in this motion, but the direction is changing continuously. The acceleration in this special case of circular motion is called _______________________

A

Centripetal Acceleration

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22
Q

It is defined as ‘equal to the universal gravitational constant times the object’s mass, divided by the square of the distance from the object’s center.’

A

Gravitational Field

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23
Q

Refers to an object which oscillates back and forth, in contrast to the rather idealized simple pendulum where all the mass is concentrated in a single point

A

Physical Pendulum

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24
Q

It refers to the movement of an object in a system which returns to equilibrium position faster but overshoots and cross over one or more times until it reaches the displacement

A

Underdamped

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25
A one complete oscillation which describes the motion
Cycle
26
The form of wave which amplitude is always proportional to the sine of its displacement angle at every point in time
Sine Wave
27
Module 3 Title
Oscillatory Motion and Waves
28
Finding Wave length equation
λ=2π/K
29
Frequency Equation
F = w/2π
30
Wave Period Equation
T = 2π/W
31
A kind of wave that requires a medium to propagate
Mechanical Wave
32
Solving for the speed of a satellite in circular orbit about earth
V= √Gmg/r
33
A wave that consist of a single disturbance moving through the medium at a constant amplitude
Pulse
34
The points where the coils of the spring are the highest
Crest
35
States that sound intensity is inversely proportional to the square of the distance between the source and the listener
Inverse Square law
36
Symbol for sound intensity level
Beta
37
When two or more waves cross at a point, the displacement at the point is equal to the sum of the displacements of the individual waves
Superposition
38
Formula for computing for Wave Intensity
I = P/2πr^2
39
Back and forth movement in time
Oscillation
40
It refers to the time for some event whether repetitive or not, but we
Period
41
SI unit for Frequence
Hertz
42
Simple harmonics equation
A = -4π^2x/T2
43
Spring constant unit
N/m
44
Frequency of a motion formula
F = 1/T
45
Simple Pendulum Equation
P = 2π√ l/g
46
It is installed in a building resemble a large automotive shock absorbers
Huge Dampers
47
The squares of the orbital periods pf the planets are directly proportional to the cubes of the semi major axes of their orbits
Law of Periods
48
Universal Constant of Gravitation Value
6.67x10^-11 Nm^2/kg^2
49
Pressure Formula
P = F/A
50
Is is the mass of unit volume of a material substance
Density
51
Pressure is directly proportional to the force and inversely proportion to
Area
52
The _______________ exerted on you is a result of the weight of the air above you
Air Pressure
53
Under water, the pressure exerted on you ______ with increasing depth
Increases
54
It is the weight of the fluid mg divided by the area A supporting it
Pressure (P) = mg/A
55
It is the force per unit area exerted by an atmospheric column
Atmospheric Pressure
56
You can increase pressure due to the same force by reducing the ______ over which the force is acting
Amount of Area
57
Small area results in
Greater Pressure
58
Larger area results to
Small Pressure
59
TRUE OR FALSE Wave intensity is the power delivered per unit area
TRUE
60
The sound intensity produced by a given sound source is directly proportional to the square of the distance from the source
FALSE, Inversely Proportional
61
TRUE OR FALSE Inverse square law states that sound intensity is directly proportional to the square of the distance between the source and the listener
False, Inversely Proportional
62
TRUE OR FALSE When two or more waves arrive at the same point, they superimpose themselves on one another
TRUE
63
TRUE OR FALSE When two or more waves cross at a point, the displacement at that point is equal to the sum of the displacements of the individual waves
TRUE
64
Constructive Interference is a type of interference that occurs at any location along the medium where the two interfering waves have a displacement in the same direction
TRUE
65
If one end of the string is continuously moved up and down, the incident wave will interfere with the reflected wave. This will result in interference pattern
TRUE
66
TRUE OR FALSE You can find the frequency heard by the listener even without knowing the speeds of the source and of the listener
False, if you know
67
The speed of the sound (v) is taken to be always positive
True
68
A high frequency corresponds to high pitch
TRUE

General Physics 1 (3 decks)

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