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Forces and Motion - Newtons Laws Flashcards | StudBud
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Forces and Motion - Newtons Laws
Forces and Motion - Newtons Laws
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#Newtons Laws #physics #science
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1
Friction force
Is a non contact force
Acts is the same direction to where an object is moving
Acts in the opposite direction to where an object is moving
Is never useful in everyday life
2
Which of Newton's laws is depicted in the image below?
Second
Fourth
Third
First
3
Which of Newton's laws predict the tank rocks back when firing the shell?
Second
Third
First
Fifth
4
Which of the following is not a fundamental force
Normal Force
Electromagnetism
Weak Nuclear Force
Gravity
5
The derived unit for force is
a newton
a joule
a pascale
volt
6
In situation B, which force most likely represents a friction force?
25 N, up
25 N, down
20 N, right
15 N, left
7
Which of Newton's laws is about inertia?
Second
Third
Fourth
First
8
Which law says a bigger mass needs a larger force to make an object move?
Ninth
First
Third
Second
9
What type of force that exerts on a spring that compress or stretch?
Magnetic
Gravitational
Elastic
Frictional
10
Which of Newton's laws say that the rocket will keep moving in space with the engines off?
First
Second
Fifth
Third
11
How many dimensions of space do human beings move through and take up?
1D
0D
3D
2D
12
Weight and mass...
are not the same. Weight changes based on gravitational force.
are the same and can be used interchangeably.
are not the same because mass is based on gravity.
are the same everywhere in the universe.
13
Acceleration of Gravity
Resistance from fluids like air or water.
Total force acting on an object; can be zero.
Acceleration due to Earth's gravity; 9.8 m/s².
Equal forces resulting in no motion change.
14
How does air resistance affect the acceleration of falling objects?
speeds them up
helps them accelerate
slows them down
makes them lighter
15
Calculate the weight
98 N
98 Kg
980 N
980 kg
16
The length of a force vector
arrow indicates the ________ of the force.
unit
strength
all of these
direction
17
How many dimensions of space are represented by a single dot ?
2D
3D
1D
0D
18
Calculate the weight
370 lbs
370 N
370 kg
37 N
19
Which of the following scientists did not influence Isaac Newton's thinking?
Nicolaus Copernicus
Johannes Kepler
Rene Descartes
Nikola Tesla
20
How many dimensions of space make up a flat plane?
2D
0D
3D
1D
21
Fundamental quantity
volume
mass
area
velocity
22
Which letter shows the normal force?
C
B
A
D
23
Which of Newton's laws say an object keep moving until acted upon by another force?
First
Second
Third
Fourth
24
You travel to Mars (gravity = 0.38) you will have _____________ weight.
Same
More
Less
No
25
Which of Newton's Laws is depicted in this image?
First
Second
Third
Sixth
26
If you are standing in a bus that stops suddenly, you will lurch:
down
left
backward
forward
27
Tension force
exists between two solid objects that are in contact.
occurs when a rope, wire, cord, or similar device pulls on another object.
a force of attraction that pulls objects together
a force that opposes sliding between two surfaces
28
Acceleration of gravity
v
t
g
a
29
What is a fundamental quantity?
Force
Length
Energy
Speed
30
Which of the following is not a fundamental force
Gravity
Normal Force
Weak Nuclear Force
Electromagnetism
31
Describe the Net force
Balanced 0 N
Balanced 80 N right
Unbalanced 80 N right
Unbalanced 180 N left
32
According to Newtons second Law:
F = m x a
F = a x F
<p>m = F x a</p>
<p>m = F x a</p>
33
Which law says the fire extinguisher pushes backward when you set it off?
Twelfth
First
Third
Second
