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2021 Q1 PHYSICS Flashcards | StudBud
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2021 Q1 PHYSICS
2021 Q1 PHYSICS
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Review PHYSICS
Flashcards
47 cards
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Practice quiz
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Questions
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Answers
1
Chemical potential energy can be seen in what?
Gravity
Rubberbands
Food
Moving objects
2
Energy is ...
stored energy
able to be destroyed
generated
the ability to do work
3
Rocket engines operate on the principle of _.
action and reaction
GPE
Newton's 1st law
Magic
4
speed = __________/__________
speed/distance
time/distance
distance/time
speed/time
5
Newton's Third Law states...
For every action, there is a larger reaction.
For every action, there is a smaller reaction.
For every action, there is an equal and opposite reaction.
Every action is caused by force.
6
Newton's Fourth Law says ...
To conserve energy, use a circular motion
Friction can be helpful in everyday life
Ha, ha. Just kidding. There is no 4th law.
Motion tends to move in circles
7
what makes this a balanced force
its the same force for both sides.
there are 2 boys and 1 girl on etch side
8
Kinetic energy is shown when something is_?
Resting
Thinking
GPE
Moving
9
With no friction, how fast would Barbie be accelerating in the first second here on earth?
12.75 Meters/second
9.8 Meters/second
IDK, this is hard
Between 2-3 Meters/second
10
A 2kg object is 2 meters above the ground. What is the GPE?
39.2 J
2.45 J
98.6 J
4 J
11
What explains that energy cannot be created or destroyed but is can be transformed?
Newton's 3 laws
Conservation of wildlife
Conservation of mass
Conservation of energy
12
We can determine speed by ......
subtracting distance from time
Dividing time by distance
Adding time and velocity.
Dividing distance by time
13
kinetic energy is...
in physics, the capacity for doing work
an object has because of the movement of its molecules, and heat
:)
is the energy of mass in motion
14
Where would a rollercoaster have the least kinetic energy?
At the bottom of the tallest hill
At the top of the tallest hill
In the loops
Halfway down a tall hill
15
Whats net force
one force
theycandanceTHEYCANDANCE
The sum of all forces together
penguins sing and talk doNT TEST ME
16
Newton's third law states that....
force was discovered by Isaac Newton
for every action, there is an equal but opposite reaction
Newtons are used to measure width
17
can energy be transformed?
False
True
18
is this an example of potential energy?
thats not an example of any energy smh
no
yesss
idk
19
Where would a rollercoaster have the MOST potential energy?
At the top of the largest hill
At the bottom of the tallest hill
At the very end of the rollercoaster
At the end of a loop
20
potential energy is...
energy that has a lot of mass
energy that is active
no energy
energy that is stored in an object
21
Totally unfair question.... What room are we in right now?
C-207
C-101
C-104
C-107
22
Law of conservation of energy is?
States that energy cannot be created or destroyed
States that energy can be created or destroyed
States that energy cannot be created but destroyed
States that energy can be created but not destroyed
23
What is Newton's second Law?
F=MA
Inertia
Every action has an equal and opposite reaction
S=D/T
24
The force of attraction between two objects is called what?
Momentum
Inertia
Universal Gravitation
Newton's 2nd Law of Motion
25
Elastic Potential Energy
Energy stored in objects resting at the top of a hill
Virtue
Energy stored in objects that stretch
26
would this be a balanced or unbalanced force?
unbalanced
balanced
27
Potential Energy
Motion Energy
Stored Energy
28
Newton's First Law states...
Inertia is a main force.
Objects at rest or in motion only change with greater force.
For every action there is an equal and opposite reaction.
Objects never move.
29
Motion is produced by_.
KE
Unbalanced forces
GPE
Balanced forces
30
The force required to accelerate a 1 Kg object, 1 meter per second, per second is what?
Dark side
1 Joule
1 Newton
1 Momentum
31
If you want to increase the force that a 32Kg object has, which is the best option?
Increase its acceleration
Use Newton's 3rd Law
Decrease its acceleration
Change its color
32
What does the law of conservation of energy state?
All energy is created and destroyed
All energy can be used to make coffee
All energy can not be created or destroyed
All energy is cool
33
Kinetic energy depends on
speed and height
speed and pressure
mass and speed
mass and height
34
What is Newton's first Law?
F=MA
Inertia
Every action has an equal and opposite reaction
S=D/T
35
What is Newton's Third Law?
S=D/T
F=MA
Inertia
Every action has an equal and opposite reaction
36
is this a balanced force?
True
False
37
What is the equation for finding Speed?
S=D/T
S=D*T
S=T/D
F=MA
38
what is Net force?
The overall force acting on a system or object
the wight of the net
none of these
the speed if an object moving
39
It took Fuzz 10 seconds to travel 80 meters. what is Fuzz's speed?
90 m/s
0.125 m/s
40 m/s because you just whack it in half
8 m/s
40
Newton's second law states...
For every action, there is an equal and opposite reaction
Acceleration causes an object to speed up
An object will remain at rest unless acted upon by another force
Acceleraton depends on the forces acting on an object
41
What is Kinetic Energy
Energy that stays still
Forced Energy
Moving Energy
Stored Energy
42
Which of the following best describes what a scientific law is?
A summary of experiments
A rule that sometimes works, but not always
A set of rules that were just made up
A summary of observations
43
Law of conservation of energy is?
States that energy cannot be created but destroyed
States that energy can be created but not destroyed
States that energy can be created or destroyed
States that energy cannot be created or destroyed
44
Matter tends to remain in constant motion unless acted on by an outside force is the same as ?
Gravity
Newton's 2nd law
GPE
Inertia
45
This image best shows what?
A compass
Unbalanced force
Balanced force
120 N of force
46
Plants transform energy from the sun into:
solar energy
nuclear energy
mechanical energy
chemical energy
47
Which of the following best describes what a Scientific Theory is?
A summary of observations
A summary of experiments
A rule that sometimes works, but not always
A set of rules that were just made up
