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Physics Test Review Flashcards | StudBud
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Physics Test Review
Physics Test Review
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Questions
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Answers
1
How do you calculate force?
F=MA
29
30
this is math not science DUH
2
What is the mass number of an atom with 3 protons, 4 neutrons, and 3 electrons?
7
6
10
5
3
What is Newtons 3rd Law?
For every action there is an equal and opposite reaction
An object at rest will remain at rest.
Acceleration is produced when a force acts upon a mass
None of the above
4
What is the unit for measuring mass?
liter
Kelvin
grams
meter
5
Newtons third law is about:
Force
Action and Reaction
Mass and Acceleration
Inertia
6
How many valence electrons does Chlorine have?
3
8
7
6
7
Which of newtons laws is this?
2nd
1st
3rd
all of the above
8
Where are valence electrons located?
in the nucleus
outer most shell
they don't exist
first shell
9
What is Newtons 2nd Law of Physics?
For every action there is an equal and opposite reaction
¯\_(ツ)_/¯
the total entropy of an isolated system can never decrease over time
Force equals mass times acceleration
10
What is Kinetic Energy?
Stored Energy
Energy that is apathetic
Energy in motion
Energy that can also be considered as atoms
11
example of newton 1st law
skateboading
all of the above
resting
walking
12
Ag has an atomic mass of....
5
19
34
108
13
What is the atomic number of this atom?
13
5
9
4
14
Which is not evidence of a chemical change?
change of color
production of gas
slicing something in half
production of light
15
Evidence of a chemical change includes
Change in size
melting or freezing
bending or breaking
bubbling, change in color , change in temperature
16
Neutrons are
Negative
Positive
Neutral
17
How much force is needed to push a 5kg box at a rate of 4m/s
2
?
9N
20N
1.25N
1N
18
Mass cannot be created or destroyed
Limited Weight
Conservation of Mass
Principle of mass
19
How do you find the mass number of an element?
# of protons
protons + neutrons
mass - protons
group #
20
Objects with a larger mass (like elephants) contain more....
feathers
avacados
motors
matter
21
The nucleus of an atom contains Protons and Electrons
False
True
22
What is the difference between speed and velocity?
Velocity has nothing to do with speed.
Velocity is the same as speed.
Velocity is direction.
Velocity is speed with direction.
23
Which part of an atom has a + charge?
Electron
None have a positive charge
Proton
Neutron
24
The nucleus of a atom consists of ?
your mom
electrons and protons
protons and neutrons
electrons and neutrons
25
Groups on the periodic table are arranged
Vertically
Horizontally
26
Is bubbles a evidence of a chemical change?
I don’t know
No
That’s great!
Yes
27
The graph is constant
False
True
28
What law is F=MA?
1st law
Third law
2nd law
29
What is the mass of a furnace if you are pusing it with 56N and acceleration of 7m/s
2
?
392Kg
8Kg
69Kg
iDontKnow
30
How do you identify the number of valence electrons?
Periodic Number
Atomic Number
Group Number
Period Number
31
An object that weighs 60 grams and has a force of 8 Newtons is acclerating at
13.33 m/s squared
.133333 m/s squared
25 m/ss squared
1.333 m/s squared
32
What is the net force?
17 N
0 N
3 N left
3 N right
33
Which is a chemical change?
alcohol evaporates
Salt is dissolved in water
An orange is cut
Milk sours
34
Joe pushes a box north with 10 Newtons, Bobby pushes the box south with 8 Newtons. Who wins?
Bobby, 10 Net Newtons
Joe, 2 Net Newtons
Joe, 10 Net Newtons
Bobby, 2 Net Newtons
35
What is your acceleration of you are pushing a 15kg chest with 45N?
Not here
3m/s2
0.33m/s2
675m/s2
36
which is not one of newtons laws?
An object in motion stays in motion an object at rest stays at rest unless
you miss 100% of the shots you dont take
Every action has an equal and opposite reaction
netforce acting on an object causes object to accelerate In the direction
37
Newtons 1st law says:
an object at rest stays at rest until acted upon
gravity!
inertia
can we some apples?
38
What is Newtons 2nd Law
None of these
An object at rest will stay at rest
And object with mass will accelerate in the direction of the force
For every action there is an equal and opposite reaction.
39
What is Velocity?
Speed and Direction
Motion and Direction
Mass and Acceleration
40
what is an example of the 3rd law of motion
jumping
music
sound
running
41
Which element has more valence electrons
Potassium
Sodium
42
What is the Atomic mass for Hydrogen
12
1.00794
1
20000
43
What is the formula for speed?
Speed=mass x time
Speed=time x distance
Speed=distance/time
Speed=time/distance
44
This picture represents Balanced Force
True
False
45
Which objects in the list experience balanced forces?
The book, the ball, the can, and the swing
The ball, the car, and the bird
The book, the ball, and the car
The can, the swing, and the bird
46
Is this an example of Newtons 1st Law ? True Or False
Idk, i forgot ?
False
True
Maybe
47
The units for acceleration are
meters per second m/s
meters per second squared m/s2
miles per hour
48
Which groups are the most reactive on the periodic table?
Groups 3 & 5
Groups 4 & 8
Groups 1 & 7
Groups 2 and 6
49
How many protons in this atom?
20
40
10
20.18
50
Acceleration is increasing your speed or velocity
False
True
51
Net force?
5N
10N
0N
20N
52
How many laws of physics does Newton have
3
1
0
2
53
What is the definition of potential energy?
Energy in motion
Energy that can be converted into atoms
Energy that can upload selfies to Snapchat
Stored Energy
54
Horizontal rows on the periodic table
periods
columns
groups
families
55
Newton's second law, what does F=MA stand for?
Force=MassXAcceleration
Force= MotionXAction
Force= movementX Air
Force= MotionXAmount
