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APS Free-Body Diagrams & Newton's Laws Flashcards | StudBud
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APS Free-Body Diagrams & Newton's Laws
APS Free-Body Diagrams & Newton's Laws
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Free-Body Diagrams & Newton's laws #freebodydiagram #physics #aps #newtonslaws #unit2
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Questions
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Answers
1
Force exerted by a surface as an object moves across it
Applied Force
Friction Force
Normal Force
Tension Force
2
What does F_norm stand for?
Force of Normandy
Upward force
Table force
Normal force
3
Which object weighs the most?
C
B
D
A
4
In which of the free-body diagrams is the object not sitting on a stable surface?
B
D
A
C
5
In which direction is the force of friction acting on this object?
Up.
To the right.
Down.
To the left.
6
The sum of all forces acting upon an object is known as:
Gravitational Force
Tension Force
Net Force
Applied Force
7
If the mass of an object is decreased, its inertia
increases
is not affected
decreases
8
In which direction does the normal force act for a pencil at rest on a flat desk?
B
A
E
C
9
How many forces are acting on this object?
3
1
4
2
10
The more inertia an object has, the more mass it has
True
False
11
Why is it helpful to draw free-body diagrams?
To imagine an object if it was free of all forces
To improve your artistic skills.
To represent all forces acting on an object.
It's never helpful.
12
What is incorrect about the following free-body diagram?
Friction should be in the opposite direction of motion.
There should be an applied force upward.
The normal force should be bigger than gravity.
Gravity should be acting upwards.
13
An object persists in uniform motion in a straight line unless disturbed by an unbalanced force
Newton's 2nd Law
Newton's 1st Law
Newton's 3rd Law
Newton's 4th Law
14
Which object has the greatest inertia?
5 kg object
50 kg object
12.5 kg object
25 kg object
15
In which direction does the force of gravity act?
A
C
E
G
16
Force equals mass times acceleration. F=ma, or Force = mass x acceleration
Newton's 1st Law
Newton's 3rd Law
Newton's 2nd Law
Newton's 4th Law
17
In a weightless environment (such as space), do you need a force to set an object in motion?
no
yes
18
Which force is the biggest?
gravitational force
applied force
friction force
normal force
19
The resistance an object to a change in its state of motion
Reaction
Newton's 3rd Law
Gravity
Inertia
20
Which way is the car moving?
To the right.
To the left.
It's not moving.
It's accelerating down due to gravity.
21
For every action, there is an equal and opposite reaction
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Newton's 4th Law
22
What is the acceleration of an object with a 60 Newton force that has a mass of a 6 kg?
10 N
360 m/sec2
360 N
10 m/sec2
23
If the sum of all the forces acting on a moving object is zero, the object will
change direction
continue moving with constant velocity, or stay stationary
slowdown and stop
24
Calculate the force of a 11 kg football player running (accelerating) at a rate of 3 m/s²
7 m/sec2
33 N
7 N
33 m/sec2
25
Calculate the mass of an object moving with a 20N force and an acceleration of 5m/s
2
4 kg
100 N
4 N
100 kg
