What does Newton's third law describe?

relationship between two forces in an interaction

What is mechanical advantage for a machine?

ratio of output force to input force

When is angular momentum conserved?

When no net external torques acts on an object

Science is a method of ______________.

answering theoretical questions

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

Are there any completely friction free surfaces?

No friction is always present however slight.

A cat is lying on the floor. Can you say no force acts on the cat?

There is a support force and net force acting on the cat

studbud

Duplicate of Physics Final Review Game

131 termsStudBud Administration5 plays

by Ashlee Beauchamp and Lauren Faust

Flashcards131 cardsFPractice quizPHost liveL

Questions 131

Answers

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

Duplicate of Physics Final Review Game Flashcards | StudBud