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Physics Review #2: Newton's Laws Flashcards | StudBud
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Physics Review #2: Newton's Laws
Physics Review #2: Newton's Laws
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#physics #newtonslaws #highschool
Flashcards
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Questions
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Answers
1
When you see the speed of an object on a line graph,
distance
is on the
y-axis
and ____ is on the
x-axis.
speed
time
velocity
mass
2
In the absence of an external forces or friction, a moving object will:
stop immediately
move with constant velocity
slow down and eventually come to a stop.
3
The use of seatbelts is an important application of
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
4
The forces in this picture do not cancel each other because
The are on different objects
They are not equal
The are in the same direction
5
If a baseball exerts a force to the left on a glove, the glove exerts a force to the…
Right
Left
Up
6
True or False. When an object is in equilibrium, the net force and acceleration are both 0
False
True
7
The dishes stay on the the table when the cloth is pulled out because
Both answers 1 & 2
Neither 1 nor 2
They have inertia
They experience 0 net force
8
Traveling to the moon would cause you to
Keep the same mass and weight
Maintain the same mass but lose weight
Change both your mass and weight
Maintain the same weight but lose mass
9
An object experiences a 9 N force to the right, and a 4 N force to the left. The net force is
5 N to the left
13 N to the left
13 N to the right
5 N to the right
10
A 10 N object sits on a table. The table exerts 10 N of normal force. The net force is
20 N up
0 N
20 N down
11
What does Newton’s third law state?
For every action, there is an equal and opposite reaction
All objects have mass
Every object weighs more than 5 kilograms
12
Which would hit the ground first if all were dropped at the same time?
golf ball
bowling ball
all at the same time
marble
13
A 5 kg object has a net force of 20 N. What is the resulting acceleration? (Hint: F=ma)
100 m/s2
4 m/s
4 m/s2
100 m/s
14
Mass is measured in which of the following units?
Newtons
m/s2
Kilograms
15
Why would a monkey be stuck on a branch?
All forces on the monkey are equal, so it can't move
There is an unbalanced force
All forces on the monkey are not equal, so it can't move
The net force does not equal zero, so the monkey can't move
16
An object has inertia
only if it is at rest
whether is is moving or at rest
only if it is moving
17
When you drop a rubber ball on the floor it bounces. What causes the ball to bounce?
The ball has an upward force
The ball is bouncy
The floor exerts an upward force on the ball
18
Speed equals distance divided by ________
mass
time
velocity
size
19
_____________ is the tendency of an object to resist a change in motion
gravity
how big the object is
inertia
force
20
When cutting wood with a saw, why does it smell like something is burning?
timber
gravity
friction
mass
21
Significant inertia makes it hard to
Change an object's direction
All are correct
Put a motionless object into motion
Bring a moving object to a stop
22
A spring scale measures
inertia
force
bounce height
acceleration
23
Force is measured in which of the following units?
Newtons
Kilograms
m/s2
24
An applied force could be exerted by all but a
rope
animal
machine
person
25
Which object is in equilibrium?
Object on the left
Object in the middle
Object on the right
None of them
26
Inertia, the tendency to resist change, is related to…
Force
Mass
Velocity
27
According to Newton's 2nd Law, what FORCE helps an apple fall from a tree?
friction
velocity
acceleration
gravity
28
This object must be
moving with a constant velocity
Accelerating to the right
At rest
Accelerating to the left
29
The action-reaction forces in Newton’s third law
always act on different objects
always cancel each other out
are the same as friction and support forces
