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Duplicate of Newton's Laws (ICP) Flashcards | StudBud
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Duplicate of Newton's Laws (ICP)
Duplicate of Newton's Laws (ICP)
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AP Physics 1, High School physics, Newton's Laws (Forces and Motion)
Flashcards
46 cards
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Questions
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Answers
1
What would happen to the object in the force diagram below?
It would accelerate downward.
It would move downward at a constant speed.
It would accelerate upward.
It would change direction.
2
The units for a is/are
kilograms
Newtons
m/s/s
m/s
3
Which of these force diagrams show a net force of zero?
D
A
C
B
4
Newton's 3rd Law of motion is also know as THE LAW OF ____________.
Forces
interaction pairs
inertia (balanced forces)
F=ma
5
In the absence of air resistance ...
The person will accelerate at more than 10 m/s^2
The person will accelerate at 10 m/s^2
This person will not accelerate
The person will accelerate at less than 10 m/s^2
6
What is the net force on the object shown in the force diagram?
15 N
10 N down
15 N Left
25 N Left
7
If a 3 kg object is accelerated at 9 m/s/s, what is the net force acting on the object?
12 Newtons
27 Newtons
3 Newtons
30 Newtons
8
Which force is transmitted through a rope, cable, or string?
normal force (Fn)
force of friction (Ff)
force of tension (Ft)
force of gravity (Fg)
9
Mass and weight are the same
True
False
10
A projectile baseball after it reaches maximum height
has a net force acting on it
has no net force acting on it
has less acceleration than it did on the way up
has more acceleration than it did on the way up
11
The units for F is/are
m/s/s
kilograms
m/s
Newtons
12
Which of these force diagrams show an object that will accelerate only to the right?
D
C
A
B
13
A man standing in an elevator that accelerates upwards...
and has zero net force acting on him
and experiences a net force
would register a lighter weight standing on a scale
and experiences greater Normal force than gravity
14
What is the net force on the object shown in the force diagram?
5 N Left
0 N
5 N
5 N Right
15
Newton's 1st Law of motion is also know as THE LAW OF ____________.
F=ma
Forces
interaction pairs
inertia (balanced forces)
16
Which force diagram shows the forces acting on a toy car accelerating to the left?
B
A
Both
Neither
17
A man standing in an elevator moving with constant speed upwards...
experiences greater Normal force than gravity
Experiences a net force
experiences smaller Normal force than gravity
has zero net force acting on them
18
Which force diagram models the forces on a skydiver falling at a constant velocity?
Neither
A
B
Both
19
What is the name for an arrow in a force diagram?
vortex
feeler-dealer
vector
Force
20
What force is resisting the pull from this person?
friction
Weight
Normal force
air resistance
21
Compare magnitudes of normal force to gravitational force.
gravity is only greater than normal if it slides
Normal Force < Weight
Normal force > weight
Normal force = weight
22
If the net force acting on a 5 kg object is 10 N, what is the acceleration of the object?
2 m/s/s
25 m/s/s
5 m/s/s
50 m/s/s
23
A steak rests on a plate on a table. Which is a true comparison of normal forces
The steak pushes the plate > the table pushes the plate
The table pushes the steak > the table pushes the plate
The table pushes the plate > the plate pushes the table
The steak pushes the plate < the table pushes the plate
24
A bug splats on the windshield of a moving vehicle. The force on the bug from the windshield
Is equal in magnitude to the force felt by the windshield
is zero
Is less than the force acting on the windshield
Is greater than the force acting on the windshield
25
a =
action
air resistance
applied
acceleration
26
A block rests on an inclined surface as shown. Is there a net force on the block?
No
Yes
27
When a car slams its brakes, occupants lunge forward because
the car was old
The force forward was inertia
They had a net force forward
They had inertia (Newton's 1st Law)
28
An object at rest will stay at rest and an object moving will continue in motion unless acted upon by a(n)
unbalanced force
balanced force
29
How many force are always involved in any interaction?
3
2
1
4
30
The units for m is/are
kilograms
Newtons
m/s/s
m/s
31
If someone with a mass of 40 kg accelerated down a water slide at 4 m/s/s, they would hit the water with a force of:
400 Newtons
160 Newtons
40 Newtons
10 Newtons
32
Which type of force is always perpendicular to the surface?
The force of gravity (Fg)
force of friction (Ff)
applied force (Fa)
The normal force (Fn)
33
The two forces resulting from the interaction are called . . .
the Normal force and the gravity force
force diagrams
interaction pairs
inertia
34
If a car is moving at a constant speed along a straight road, friction and traction are . . .
balanced
an interaction pair
not present
unbalanced
35
As a car's tires push backward on the road, what exerts and equal and opposite push forward on the tires?
The road
Gravity
Magic
The driver
36
Which is the correct "feeler-dealer" notation for the pink arrow?
Fg, on dog, from ground
Ft, on dog, from Earth
Fg, on dog, from Earth
Fn, on dog, from Earth
37
Which way will the truck accelerate due to forces from the person in the picture
right
none
up
left
38
immediately AFTER hitting an air-hockey puck on a frictionless plane, it will generally ___
increase its inertia
experience a net force
move with constant velocity
move with increasing velocity
39
F =
Floor
Force
Football
Friction
40
Newton's 2nd Law of motion is also know as THE LAW OF ____________.
F=ma
interaction pairs
inertia (balanced forces)
Forces
41
Which graph correctly depicts Newton's 2nd Law for a constant force applied to varied masses?
A) because the relation is linear
A) because mass is directly related to acceleration
B) because mass is inversely related to acceleration
None. Neither graph concurs with Newton's 2nd Law
42
What would happen to the object in the force diagram below?
It's motion would not change.
It's motion would change.
It would accelerate.
It would stop.
43
m =
motion
measurement
weight
mass
44
Does the fan help propel the cart forward
more information is needed
no
yes
45
If friction is negligible, the net force on the cart is...
mgsinθ
T
Tcosθ
Tsinθ
46
An object is accelerated at 7 m/s/s by a net force of 28 Newtons. What is the object's mass?
280 kg
28 kg
4 kg
40 kg
