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2019 Final Review - Units 1, 2 & 3 (Part 1/4) Flashcards | StudBud
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2019 Final Review - Units 1, 2 & 3 (Part 1/4)
2019 Final Review - Units 1, 2 & 3 (Part 1/4)
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#Finalexamreviewpart1 #physicalscience #measurement&motion&forces
Flashcards
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Questions
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Answers
1
5.287 L =______ mL?
5287
4567
52.87
5.287
2
Find the net force acting on the object in the picture.
900 N ---->
700 N ----->
8000 N ----->
8 N --->
3
During which segment is the object moving at a constant velocity?
segment A
segment C
segment B
all of the above
4
84.363 km =_______ cm?
0.84363
8,436,300
56789
84.363
5
A car's speedometer measures __________.
instantaneous speed
constant speed
displacement
distance
6
8.52 mg =______ g?
0.00852
0.0852
0.5
0.0046
7
97.25 cm =_______ mm?
9.725
972.5
45
0.09725
8
What unit do we use for force?
m/s2
Newtons
m2
kg*m/s2
9
What are the units for
velocity
?
s-1
m/s2
m/s
s/m
10
Which of the following units would be the most accurate in measuring the
volume
of a battery?
V
g
m
mL
11
Which of the following units would be most logical to measure the
mass
of a pencil in?
Liters
Meters
Kilograms
Grams
12
Calculate the acceleration during segment A.
50 m/s2
15 m/s2
5 m/s2
2 m/s2
13
With these cats, which of the following is true?
the net force is NOT equal to zero
if they were moving, the forces would cause them to stop
they will tip/accelerate
the net force is equal to zero
14
This graph shows a constant ________. (x-axis = time, y-axis = velocity)
distance
velocity
acceleration
displacement
15
You can change your ________ by going to Jupiter.
mass
grade
weight
energy
16
36 mm = _______ cm?
2.6
3.6
360,000
3.5
17
"How far you are from your starting point" is called ___________.
distance
disguise
dislocation
displacement
18
Which of the following is NOT true of balanced forces?
Net force = 0
Net force ≠ 0
Equal forces in opposite directions
Results in NO acceleration
19
The soccer ball you kicked has 15.75 kg*m/s of momentum and a velocity of 35 m/s. Find mass. p=m*v
551.25 kg
0.45 kg
0.45 m
551.25 m
20
"How far total you have travelled" is called _____________.
density
displacement
distance
dislocation
21
785.3 km =______ m?
785.3
785300
0.7853
87234
22
You kick a soccer ball on the ground and it NEVER stops! It keeps going! Which of these is true?
the force of friction is missing
you have defied the laws of physics
the force of acceleration is missing
it's magic!
23
952 g = _____ mg?
223
952,000
9.520
0.952
24
This graph shows a constant _________. (x-axis = time, y-axis = distance)
displacement
distance
velocity
acceleration
25
Which of the following units would be the most logical to measure the
length
of a soda bottle?
grams
liters
kilometers
centimeters
26
Calculate the velocity of the segment from 20seconds to 30seconds.
-2 m/s
2 m/s2
10 m/s
20 m/s
27
The law of inertia (Newton's 1st law) explains which of the following?
the relationship of energy transfer
how a rocket launches
why we should wear seatbelts
the difference between weight and mass
28
T/F - The total amount of momentum in a system
can change
.
True
False
29
256 m =_______ cm?
428,877
25,600
136,214
6661
