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Honors Physics 2022
Honors Physics 2022
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#Giancoli #Midterm
Flashcards
65 cards
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Questions
65
Answers
1
Acceleration is
The rate of change of velocity.
Change in acceleration
The rate of change in speed
The change in distance
2
What is the velocity at t=3?
4 m/s
0 m/s
2 m/s
1 m/s
3
How many sig fig are in the number 12300?
2
5
4
3
4
Which of the following is the correct unit for weight?
g
Nm
N
kg
5
The SI Base Quantity for the amount of a substance is
cd
kg
m
mol
6
How far an object is from the starting point is called
displacement
distance
7
What tool is used to measure force?
Protractor
Spring Scale
Calorimeter
Timer
8
Which line has a constant velocity
B
D
A
C
9
Which of the following symbols can be used for displacement
d
y
x
10
Round 3456 to 2 sig fig?
3500
4000
3400
3000
11
The correct unit of measurement for mass is
mol
kg
candela
N
12
When a projectile travels is a full parabola, the final velocity is equal to
gravity
initial velocity 2
zero
negative initial velocity
13
This force is always parallel to the surface
Normal
Gravitation
Friction
14
An object in motion stays in motion describes which of Newton's Laws
3
1
2
15
Which of the following prefixes is the smallest?
kili
centi-
milli-
micro-
16
Gravitational force
when you get kicked
A force that attracts any two objects with mass
The force of your weighted blanket
when a force hit you in the face
17
In free fall, what is the force of gravity?
Balanced force
Unbalanced force
Terminal velocity
Air resistance
18
What angle should a projectile be fired to
go the farthest?
30
45
60
90
19
This is change in velocity per unit time
Speed
Velocity
Acceleration
Net Force
20
Which is an example of projectile motion?
a car driving up a hill
a book laying on a desk
a cat leaping on a toy
a feather falling in a vacuum
21
Which of the following prefixes is the largest?
centi-
mega-
micro-
milli-
22
When a projectile reaches the top of it's flight, velocity is equal to
negative initial velocity
acceleration due to gravity
zero
initial velocity 2
23
What is Kinetic Friction changed into?
Heat Energy
Kinetic Energy
Static Electricity
Static Friction
24
When a projectile travels is a full parabola, the final velocity is equal to
gravity
negative initial velocity
initial velocity 2
zero
25
A red ball is dropped and a yellow ball is projected horizontally, which hits the ground first
red ball
same time
yellow ball
26
The repeatability of a measurement or group of measurements using the same instrument
Validity
Accuracy
Measurement
Precision
27
Static friction is greater than kinetic friction.
false
true
28
Who discovered that all objects regardless of size fall at the same rate?
Einstein
Newton
Kepler
Galileo
29
Find the velocity of a plane that travels north for 4500 mi in 9 hours.
500 mi/hr N
500 km/hr N
40,500 mi/hr N
4509 mi/hr N
30
As launch angle increases past 45 degrees the range of the projectile will
it depends on the type of catapult
decrease
increase
stay the same
31
PROJECTILE MOTION:
What primarily affects the trajectory of a projectile?
Launch angle
None of the above
Both of the above
Initial velocity
32
Newton's third law states:
The force on an object = its mass times acceleration
An object in motion stays in motion.
For each action there is an equal and opposite reaction
Figs are the best
33
which zeros are not signifigant in signifigant figures
leading zeros
zeros only used to help find the decmal piont
trailing zeros with a decmal point shown
zeros between signifigant figures
34
A bowling ball will fall ______ than a feather. (Neglecting air resistance)
slower
at the same rate
faster
35
The connection between force and motion is called
dynamics
kinematics
fluids
36
F=ma is a description of which of newton's laws
1
2
3
37
What is terminal Velocity?
The fastest speed an animal has been recorded running
The maximum speed something can reach while in earth's atmosphere
The speed someone can run on average
The furthest a rock has fallen from
38
The force on a rope, string, or wire is known as
Applied Force
Gravitational Force
Tension
Normal Force
39
Velocity tells you
the direction
the speed and direction
the magnitude and direction
the speed
40
What is the velocity at t=1?
4 m/s
1 m/s
2 m/s
0 m/s
41
This gives a description based on observations of how nature behaves
Scientific Law
Scientific Theory
42
This field of physics deals with how objects move
Nuclear Physics
Atomic Structure
Relativity
Kinematics
43
What angle of launch would match the distance produced if a projectile is launched at 75
30
15
60
45
44
How many signifigant figures are in 0.023?
2
3
4
1
45
A quantity that has direction and magnitude
Vector
Scalar
46
How is measuring velocity different than measuring speed?
Velocity must include speed and direction.
Velocity must have speed and a time.
Velocity must include speed and the wind speed.
Velocity must have speed and the force applied.
47
What is the vertical acceleration of projectile motion?
-9.8 m/s2
Zero
In opposite direction to motion
Variable
48
The path of a projectile is a
Trajectory
Hypertonic
Hypotonic
Resultant
49
Equal and opposite forces, an example of Newton's _____ Law
2
1
3
50
The horizontal component of velocity for a projectile varies with time, even with no air resis.
True
False
51
When you throw a ball, how can you tell that the force of gravity is acting on it?
velocity is constant
acceleration is constant
it falls
speed increases
52
What must an answer for velocity include?
time and gravitational pull
force applied and direction
speed and direction
speed and distance
53
An example of static friction is...
a sled sliding down a hill
a bowling ball rolling down a lane
a car skidding to a stop
a book resting on an incline
54
Range is another term for
displacement in the x direction
displacement in the y direction
gravity
gravitational constant
55
The final velocity minus the initial velocity divided by time is the formula for
Ending Velocity
Acceleration
Average Speed
Constant Speed
56
An object in free fall
has an acceleration with a magnitude of 9.81 m/s2 near Earth
all of the above
undergoes a downward acceleration
experiences no air resistance
57
Which of the following is a scalar quantity?
Temperature
Velocity
Force
58
Normal force is _______ to the surface.
perpendicular
parrallel
59
What many signfigant figures are in 23.21
2
1
4
3
60
This describes how quickly position changes
force
acceleration
gravity
velocity
61
True or False? Inertia is the tendency of an object to continue at rest or in constant motion.
False
True
62
Trivia! Which sport below
DOESN'T
uses the concepts of projectile motion?
Frisbee.
Archery.
Curling.
Badminton.
63
Increasing the speed of a launched projectile
None of the above
Changes the angle
Increases speed only
Increases distance
64
What property of an object determines how much inertia it has?
mass
gravity
weight
force
65
What are the units of acceleration?
m/s or ft/s
m or ft
kg or lb
m/s2
