To determine whether a hypotheis is scientifc or not,________________.

look to see if there is a test for proving it wrong

What does Newton's third law describe?

relationship between two forces in an interaction

When is momentum conserved?

When there is no next external force

What part of an object follows a smooth path when the object is made to spin through the air?

The center of mass of the object

Science is a method of ______________.

answering theoretical questions

In what direction should a force be applied to produce maximum torque?

Perpendicular to the joining point

studbud

Physics Final Review Game

131 termsStudBud Administration87 plays

by Ashlee Beauchamp and Lauren Faust

Flashcards131 cardsFPractice quizPHost liveL

Questions 131

Answers

1
The air resistance force on an object depends on the objects __________.
speed and direction
speed and area
time and velocity
area and velocity
2
The greater an object's rotational inertia the more____ it is to change the rotational speed.
simple
fluid
difficult
3
What quantity is necessary to determine a scalor quantity
Pull
Magnitude
Direction
Pressure
4
Where is the center of mass of Earth's atmosphere?
Directed in fault lines
Along the Equator
Directed in the poles (North and South)
The center of Earth
5
True or False: A new source of energy is hydrogen.
True
False
6
Define elastic collision.
Collision where objects become distorted and generate heat
Answers 1 and 2
collision without permanent deforming
Collision without generating heat
7
To determine whether a hypotheis is scientifc or not,________________.
assume it is wrong then create your own hypothesis
google all possible outcomes of the hypothesis
look to see if there is a test for proving it wrong
8
True or False? All freely falling objects fall with the same acceleration.
True
False
9
Kinetic energy depends on _______?
speed quartered
speed halved
speed squared
speed tripled
10
When do action and reaction forces NOT cancel out?
both are correct
when they are in the same system
neither are correct
when one is an external force
11
How far will an object move in one second if its average speed is 5 m/s?
15m
10m
1m
5m
12
What does Newton's third law describe?
that force is not needed to keep an object moving
relationship of an objects mass, acceleration, and net force
relationship between two forces in an interaction
13
What is the name of one force that compresses a spring inside a weighing scale?
Support Force
Direction
Magnitude
Pressure
14
Acceleration is _______ proportional to mass.
inversely
directly
15
Which will have the greater acceleration rolling down an incline-a hoop or solid disk?
Solid disk
Hoop
Equal acceleration
16
What does the word static mean?
Electric
Dominate
Moving
At rest
17
Galileo argued that______________-is a force needed to keep an object moving.
only when friction isn't present
only when friction is present
only when copious ammounts of wind resistance is present
18
When is momentum conserved?
when there is no resistance present
When there is no next external force
When there is no net external torque
When there is no net internal torque
19
True or False: The sun is the source of practically all our energy on Earth.
Falso
True
20
Does a child on a merry-go-round revolve or rotate around the merry-go-round's axis?
Revolve
Rotate
21
The more mass an object has, the ___its inertia and the ___force it takes to change its motion.
smaller; less
greater; more
smaller; more
greater; less
22
If it turns about the internal axis it is___________.
linear
tangential
rotation
revolution
23
What part of an object follows a smooth path when the object is made to spin through the air?
The very bottom of the object
The center of mass of the object
The objects exact middle
The very top of the object
24
Aristotle studied motion and divided it into two types. One of these is an answer below.
world
mechanical
Violent
static
25
Technology is a method of________________.
distraction
answering "what if" questions
solving practical problems
26
Which word best describes the tangential velocity that stops the moon from hitting Earth?
Backwards
Sideways
Upwards
Downwards
27
What does the diagonal of a constructed parallelogram represent?
The resultant
A support force
friction
a force
28
Which of the following is an example of potential energy?
Gravitational
Elastic
All the Above
Chemical
29
Which has greater momentum?
heavy truck at rest
they are equal
rolling skateboard
30
Why does a cannonball undergo more acceleration than the cannon?
gravity
they are in the same systems
friction
the masses
31
True or False? Circular motion is accelerated motion, which requires a force.
False
True
32
Is velocity a scalor or vector quantity or neither?
Vector
Scalor
Neither
33
How far below an inital straight line path will a projectile fall in one second?
10 m
1 m
5 m
3 m
34
A ball is dropped to the ground at the instant a ball is thrown horizontally which lands first?
The ball dropped
The ball thrown horizontally
The same time
35
How does a skater decrease his or her rotational inertia by using arm and leg placement?
Arms and legs out in a cross formation
Fanning arms and legs out
Holding hands outward
Tucking arms and legs in
36
What is the equation for power?
work + time
work - time
work ÷ time
work x time
37
What two controls on a car cause a change in speed?
Break Pedal;Speedometer
Gas Pedal;Speedometer
Gas Pedal;Break Pedal
38
Science is a method of ______________.
answering math based questions
answering theoretical questions
answering rational thought questions
39
What does a safety net do for circus acrobats?
softer landing
all the above
increases time interval of contact
reduces the stopping force
40
Which of the following statement(s) is/are correct showing interaction?
The wall is pushing on you
When you are touching something, it is touching you back
All are correct
You are pushing on the wall
41
What do we call a projectile that continually "falls" around the earth?
Shooting star
A space station
An orbiting junction
Satelite
42
The scientific method is often credited to_________ and/or Francis Bacon
Newton
Galileo
Aristotle
Plato
43
Newton's first law is usually called________.
action-reaction
law of placement
law of inertia
44
Does the speedometer of a car read instantaneous speed or average speed?
Neither
Instantaneous
Average
45
___________ speed depends on rotational speed and the distance from the axis of rotation.
Rotational
Tangential
Linear
Medial
46
You cover 10 m in a time of 1 sec. Is your speed the same if you cover 20 m in 2 sec?
No
Yes
47
How does speed affect the friction between a road and a skidding tire?
decreases
no affect
increases
48
If a scientist finds evidence that ___________ a hypothesis, then it must be changed.
contradicts
proves
focuses on
49
In what direction should a force be applied to produce maximum torque?
Perpendicular to the joining point
Parallel to the joining point
50
What is the imaginary straight-line path a projectile falls below equal to?
5t^2
10t^2
9t^2
3t^2
51
To kic a football so that it doesn't rotate through the air, where should it be kicked?
The bottom
The middle
The ground under
The top
52
Two types of circular motion are rotation and ____________.
Revolution
Resolution
Republic
Resolute
53
What is the equation for angular momentum?
Rotational Inertia x Rotational Velocity
Rotational Inertia ÷ Rotational Velocity
Rotational Inertia + Rotational Velocity
Rotational Inertia - Rotational Velocity
54
If Earth pulls the ball, which of the following is the reaction?
the ball pulling Earth
Earth pulling the ball
the ball pulling Earth and Earth pulling the ball
55
Why should a boxer move with the punch - not into it?
more impact
easier to dodge the punch
time of contact would reduce
56
What is the equation for acceleration
net force ÷ mass
net force + mass
mass ÷ net force
net force x mass
57
What is an example of a principal axis of rotation for the human body?
Latitudinal
Transverse
Median
Transcripted
58
Centrifugal force is an ___________________.
effect of inertia
effect of tangential speed
effect of revolution speed
effect of rotation
59
What is the universal gravitation constant?
6.67 x 10^-11 Nm^2/kg^2
9.81 N
9.81 m/s^2
6.67 x 10^-11 N
60
What is a force?
A motion
A mass or weight
A push or a pull
Air pressure
61
What does dynamic mean?
Bouncing
At rest
Arobic
Moving
62
Define a lever.
a slope for joining two different levels
Both 1 and 2
a bar that turns about a fixed point
a simple machine
63
Fusion will eventually cause the sun to expand into a(n)___________.
Black Gnome
Nitrogen Ball
Red Giant
Cosmic Ray
64
Compared to the lighter kid, should the heavier one sit close or far from the folcrum?
Close
Far
65
Earth's gravitational field interacts with objects by causing them to experience _________.
gravitational forces
gravitational hiccups
gravitational pops
gravitational touches
66
Who created the Laws of Motion?
Isaac Newton
Albert Einstein
Galileo Galilei
Nikola Tesla
67
For a constant force, an ____ in the area of contact will result in a ______ in the pressure
increase;decrease
increase;decrease
decrease;increase
increase;increase
68
What is linear speed called when something moves in a circle?
Revolutional
Medial
Centrifugal
Tangential
69
What is the downward motion of a horizontally launched projectile the same as?
An object thrown perfectly downward
A perfectly upward launched projectile
A vertically launched projectile
An object in free fall
70
The "centrifugal-force effect" is attributed not to any real force but to ________.
momentum
inertia
balance
friction
71
True or False? Centrifugal force is a true force.
False
True
72
True or False: Change in momentum depends on force that acts and the length of time it acts.
True
False
73
When a bowling ball leaves your hand it might not spin but further down the alley it does, why?
Friction
Gravity
Torque
Pressure
74
Star motion and plantary circulation would be under what kind of motion according to Aristotle?
Natural
World
Cosmic
Violent
75
A large body of information that encompasses verified hypotheses of the world is called?
A scientific hub
A scientific theory
A scientific source
A scientific guess
76
Fill in the blank: Newton realized that the moon must be falling __________ Earth.
next to
beside
around
above
77
True or False: Acceleration is the rate at which velocity itself changes.
False
True
78
Where is the center of gravity of an object that hangs in equilibrium?
Its lower half
Its center of mass
Its upper half
Its geometric center
79
Unbalanced forces acting on an object cause the object to __________.
accelerate
stop
roll
rotate
80
The work-energy theorem describes the relationship between which two?
height and energy
weight and height
work and gravity
work and energy
81
For a constant force, an _____ in the mass will result in a _____ in the acceleration.
decrease;increase
decrease;decrease
increase;increase
increase; decrease
82
Do objects of the same shape but different sizes accelerate equally when rolled down an incine?
No
Yes
Depends on the incline
83
Are there any completely friction free surfaces?
Yes there are many.
No friction is always present however slight.
Maybe in some cases.
Yes, for example a smooth table.
84
The only force that is exerted on the whirling can is directed __the center of circular motion.
diagonal to
tangent to
toward
away from
85
When the boy jumps to shore from the boat, how does the boat move?
backwards
back and forth
It doesn't
forwards
86
What name is given to the stretching force that occurs in a spring being pulled?
Tension
Force
Bounce
Pressure
87
If you hit a wall with 500 N, how much force does the wall exert on you?
250 N
50 N
1,000 N
500 N
88
On object moving under gravity is the meaning of_______.
Inertia
Free fall
Gravitational pull
89
If the time of impact in a collision is extended 2 times, how does the force of impact change?
decrease 4 times
decrease 2 times
increase 4 times
increase 2 times
90
True or False? Physics is about the nature of basic things such as motion, forces, etc.
False
True
91
Yes or No? Is this the correct distance formula? d=(1/2)av^2
Yes
No
92
Fill in the blank: The English physicist _____________ first measured G.
Newton
Bill Nye
Copernican
Cavendish
93
What kind of quantity is momentum?
scalar quantity
neither
vector quantity
94
What would a skater do to decrease his or her rotational inertia while spinning?
Have his or her arms bent at the joints
Tuck his or her arms and legs in
Have all able body parts flap up and down
Fan his or her arms out
95
Does air resistance increase or decrease the acceleration of a falling object?
Increase
Decrease
96
What is a NET force?
The words used when no forces are present
Just one force acting on an object
A combination of all the forces acting on an object
Two forces cancelling when acting on an object
97
Is speed a vector or scalor quantity?
Scalor
Vector
Neither
98
How does the downward component of the motion of a projectile compare with free fall?
They can be exact opposites or entirely similar
They are entirely similar
They contradict eachother
They are exact opposites
99
Which will swing back and forth more often a short or long pendulum?
Short
Long
100
The ___________ force on an object depends on the object's tangential speed, radius, and mass.
centripetal
revolution
centrifugal
rotational
101
True or False: Rockets work better with air resistance.
False
True
102
When scientific findings in nature are expressed using math, they are ___________________.
easier to verify or disprove by experiment
Harder to verify or disprove by experiment
Do not effect experimentation in any sort of way
103
True or False? The weight of a rock at Earth's center is zero.
True
False
104
Galileo was born the same year Shakespeare was born and __________ died.
Plato
Raphel
Michelangelo
Da Vinci
105
Which will swing back and forth more often, a short pendulum or a long pendulum?
Inbetween
Long
Neither
Short
106
If you have two glasses, one filled with water the other ai,r on an incline which will topple?
The empty one
Both
Neither
The filled one
107
Are the perpendicular components of a vector independent of eachother?
Maybe
Sometimes
No
Yes
108
What are the two forms of mechanical energy?
Kinetic and Elastic
Nuclear and Solar
Kinetic and Potential
Potential and Inelastic
109
______is the name given to the force that acts between materials that touch as they move past.
Force
Acceleration
Momentum
Friction
110
A cat is lying on the floor. Can you say no force acts on the cat?
Yes, but only because it is in an equilibrium state
Yes
No but only because of gravity
There is a support force and net force acting on the cat
111
Define physics.
Is the study of the human body
Is the study of the Solar System
The study of Earth and it's movements
Is about the nature of basic things
112
True or False: The vector sum of the momenta is the same before and after a collision.
False
True
113
What two types of collision is between two freight cars?
inelastic collision
elastic collision
114
In what ways can a machine alter an input force?
friction
speed
direction
magnitude
115
Why is the middle seat most comfortable on a bus driving on a bumpy road?
The bumpiness is directed only to those above tire seats
It is closer to the center so less rocking is felt
The passengers next to you obsorb the shock
The middle seat has extra cushion in most buses
116
The property of a body to resist changes to its state of motion is called______.
friction
inertia
static
117
A moving object can have a large momentum if it has?
large mass
high speed
all of the above
118
True or False? The gravitational influence of every object is exerted through all space.
True
False
119
Much of science today is what used to be called ____________.
Unnatural philosophy
Natural philosophy
World philosophy
120
Can you physically touch a person without them touching you back with the same force?
No
Yes
121
if you throw a baseball at 20 m/s straight up, how fast will it be when you catch it?
10 m/s
5 m/s
20 m/s
15 m/s
122
Is the net torque changed when a partner on a seesaw stands from her end instead of sitting?
Yes
No
123
If two players kick the ball at the same time, equal and opposite, what is the net force?
zero
varies on how hard they kicked
the player's kick power added together
the player's power subtracted from each other
124
A tidal effect causes the surface of Earth to rise and fall as much as _____ meter twice a day.
one fifth
one quarter
one half
one sixth
125
What is mechanical advantage for a machine?
output force
input force
none of the above
ratio of output force to input force
126
When is angular momentum conserved?
When no net internal torque acts on an object
When no net external torques acts on an object
When the net force is cancelled when acting on the object
When there is no net torque acting on the object
127
Generally, the first step in the scentific method is____________.
make an educated guess about the answer
perform experiments to test predictions
predict the consequences of the hypothesis
recognize a problem
128
Copernicus proposed that the ______________.
the Earth was the center of the Solar System
Earth moved around the sun
Sun moved around the Earth
129
What does the slope of the curve on a velocity-versus-time graph represent?
Time
Velocity
Distance
Acceleration
130
Objects at rest tend to________.
do not resist when acted upon
resist forces entirely
stay at rest
start moving
131
________between two surfaces depends on the material, and how much surface is pressed together.
The force of gravity
The force of magnitude
The force of inertia
The force of friction

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