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Physics 1.0-1.5 Review Flashcards | StudBud
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Physics 1.0-1.5 Review
Physics 1.0-1.5 Review
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Review of Newton's 3 Laws
Flashcards
25 cards
F
Practice quiz
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Host live
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Questions
25
Answers
1
What is friction?
a force that exists when objects touch; always opposes direction of motion
a force that exists when objects are suspended from a string
a force that exists for objects floating in water
a force that exists only in space
2
How many Laws of Motion did Newton create?
4
3
1
2
3
What is the name of Unit 1?
Forces & Motion
Kinematics
Physics
Newton
4
Today is Friday!
True
False
5
What's wrong with this FBD?
The person should be represented with a point.
There are too many forces.
The person is going the wrong way.
What's a FBD?
6
Newton's 3rd Law can be summarized as...
a force
equal & opposite reaction forces
gravity exists
things fall
7
Is Net Force the same thing as Force?
False
True
8
What is physics?
Like PE, but harder
The class I'm supposed to take
The study of Newton's Laws
The study of how & why the universe works
9
Newton's 2nd Law of Motion can be summarized by...
F=ma
time
inertia
equal and opposite
10
Newton's First Law of Motion can be summarized with the word...
acceleration
inertia
speed
force
11
What is equilibrium?
When the net force equals exactly 100 N.
When the net force equals zero
When the net force is a negative number
When the net force is a positive number
12
If there was no friction, the inertia of an object would ...
make it eventually stop
keep it moving in the same direction forever
slow it down at first, but then speed up
do nothing
13
The action force is pushing down on the A button. What is the reaction force?
The A button pushing up at me.
The screen changing.
The controller vibrating.
Me winning the game!
14
Why are reference frames important in physics?
It changes Newton's Laws
Answers might be different if they aren't using the same reference frame.
People need to know frames.
15
A car has a mass of 100 kg and an acceleration of 2 m/s
2
when it hits a wall. What force does the wall experience?
200 N
102 N
200
50 N
16
What is another way of saying "frame of reference"?
F=ma
Point of view
rame of frefrance
Inertia
17
What forces are NOT acting in this image?
Friction
Tension
Air resistance
Weight
18
This force exists for any object that is on a surface.
bouyant
drag
gravity
normal
19
If an object has a lot of
inertia
, it also has a lot of ...
volume
acceleration
length
mass
20
I bite down on a 1 kg lollipop with 5 m/s
2
acceleration. What force will the lollipop experience?
5 N
25 N
6 N
.2 N
21
What is a net force?
A push or pull that causes motion
Only friction
Net is what you get! The observed motion of an object
A positive force acting on an object
22
Using this FBD, predict the direction of the object.
Up
Left
Depends on your reference frame
Right
23
A force that exists for all objects on Earth.
drag
normal
gravity
weight
24
I can calculate a force by...
adding everything and dividing by 3
dividing distance by time
multiplying mass and acceleration
dividing mass and acceleration
25
What units are used to measure forces?
F
Newtons
Neutwons
nanometers
