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The three laws of motion
The three laws of motion
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Newtons three laws of motion. includes some calculations that can be done in head.
Flashcards
36 cards
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Answers
1
Newton’s second law relates force, _?_, and acceleration.
time
velocity
inertia
mass
2
Weight is _?_ related to gravity.
equally
oppositely
directly
inversely
3
A rocket launching into space is a good example of Newton’s_?_ law.
3rd
gravitational
1st
2nd
4
Who wrote the three laws of motion?
Isaac Newton
Tycho Brahae
Nostradamus
Galileo
5
Weight can be found using which one of Newton’s Laws of motion?
3rd
2nd
None of these
1st
6
The fundamental SI unit of mass.
liter
Newton
kilogram
gram
7
What is the force if a 10. kg object undergoes an acceleration of 5.0 m/s
2
?
2.0 N
0.50 N
50. N
5.0 N
8
One newton is the force it takes to accelerate one _?_ of mass 1 m/s/s.
kilogram
liter
gram
pound
9
The force of gravity depends on the _? _ of the two objects and their distances apart.
velocity
mass
acceleration
momentum
10
If you have 110 kg of rocks, the mass of the rocks on Mar’s surface will be:
50 lbs
92. 5 lbs
620 lbs
110 kg
11
This is the other name for Newton's first law.
The Law of Inertia
The Law of Conservation of momentum
The Law of Gravity
First Law of Thermodynamics
12
The principle of inertia is described by Newton’s_?_ law.
gravitational
3rd
1st
2nd
13
_?_ is the amount of
matter
in an object.
gravity
mass
momentum
weight
14
When you are in a car and your body slides to the side when you turn, this is described by:
Newton’s 2nd law
centripetalforce
inertia
momentum
15
True or False - Mass (in kilograms) is a push or pull.
True
False, mass is the measure of the amount of matter.
False, mass is the same as weight.
False, mass is the measure of the amount of volume.
16
An object keeps on doing what they’re doing is a statement of _?_.
Newton’s 2nd Law
Newton’s 3rd law
Newton’s 1st Law
Law of Gravitation
17
The property of things remaining at rest if at rest, and in motion if in motion.
Momentum
Gravity
Inertia
Weight
18
The force due to gravity of an object.
Momentum
Weight
Inertia
Mass
19
If an object has a mass of 2.0 kg and has an applied force of 8.0 N, what is the acceleration?
4.0 m
4.0 m/s2
8.0 m/s2
2.0 m/s2
20
_?_is the measure of gravitational attraction.
weight
inertia
momentum
mass
21
An object dropped on Earth causes it to accelerate(gain speed) at:
9.8 m/s2
9.8 ft/s2
9.8 mi/hr2
9.8 m/s
22
Newton
’s _?_ law states that for every action there is an equal and opposite reaction:
2nd
3rd
Gravitational
1st
23
Mass is a measure of an object’s _?_.
inertia
gravity
momentum
weight
24
Mass is the same as weight.
false
true
25
The combination of all forces that act on an object.
Vector Force
Normal Force
Surface Force
Net Force
26
A quantity that specifies direction as well as magnitude (size).
Function
Vector
Scaler
27
In physics, a force is anything that makes an object _?_.
stop
accelerate
denser
havemomentum
28
Newton
’s second law formula for force is:
F =ma
F =½ mv2
F=mv
F =mgh
29
Identify this law:
Galileo's second law of motion
Newton's first law of motion
Kepler's first law of motion
Newton's second law of motion
30
Identify this law:
Newton's First law of motion
Kepler's second law of motion
Newton's second law of motion
law of inertia
31
Newton
’s third law shows that forces:
areinfluenced by mass and acceleration
keepon doing what they are doing
occurin pairs
continuein a straight line
32
Force of gravity _?_ if the two objects distance
increases
. This is an
inverse
relationship.
inceases
decreases
goes to zero
multiplies
33
What is Newton's first law of motion also called?
law of universal gravitation
law of inertia
First law of thermodynamics
law of initials
34
The final constant speed at which the acceleration of an object stops because of air drag.
Mechanical equilibrium
Free fall
Terminal velocity
Weight
35
What is the force of gravity on Earth for a 100. kg object?
9.8 N down
9.8 m/s2 down
980 N down
980 m/s2 down
36
Identify this law:
Newton's third law of motion
Pythagorean Theorum
oops
Kepler's third law of motion
