Introduction
I did some reading about Friction yesterday. I realized
that most of the traditional concepts of Friction can be easily explained by my
Gravity Strings. Particularly the Coefficient of Friction.
There is also something called "static
friction" and "kinetic friction". The textbooks have the
concepts partially right, but are in fact all mixed up. I can easily explain
everything in the textbook using my new model of gravity strings and my new
discoveries on energy transfer.
Amount of Friction is Number of Gravity
Strings Intertwined
The amount of friction is essentially the number of
gravity strings intertwined. More gravity strings intertwined will hold the two
objects together more strongly. It will require more applied energy to separate
the gravity strings, and therefore it will be more difficult to move one object
across the other. Therefore we will observe “more friction”.
Conversely, fewer gravity strings intertwined will hold
the two objects together more weakly. It will require less energy to move one
object across the other. And therefore we will observe “less friction”.
Coefficient of Friction: Basic Concepts
The “Coefficient of Friction” can therefore be easily
explained using gravity strings.
In traditional textbook terms, the “coefficient of
friction” is the ratio of two forces holding two materials together. Thus we place
two objects on top of each other, and try to push one object across the other.
There will be two forces holding those objects (one force from each material).
The ratio of those forces is the “coefficient of friction”.
Of course, there is a different value for the coefficient
of friction for each set of two objects. Thus, “ice on ice” has a much
different coefficient of friction value than “steel on asphalt”.
The textbooks have complicated explanations for this.
However, we can explain this very simply using our gravity strings. As stated
above, friction is caused by gravity strings between two objects intertwining.
This holds the two objects together. And when more gravity strings are
intertwined, the amount of energy holding the objects together will be greater.
This will be observed as greater friction.
Furthermore, each material and each shape of that
material will have different amounts of gravitational energy. Specifically, the
density of those gravity strings and arrangement of those gravity strings will
depend on the specific type of material. This will be unique to that material,
in that shape.
Now we place two different materials on top of each
other. Their gravity strings will intertwine. (If one material has more gravity
strings than another, those other gravity strings will simply remain free). Those
intertwined gravity strings will hold their two objects together. If you try to
push one object, you will encounter resistance, or “friction”, which is due to
this gravitational connection.
The amount of this resistance, the amount of this
gravitational connection, will depend primarily on the number of gravity
strings intertwined between the two objects. This is the actual physical cause
for the specific “Coefficient of Friction”.
Static Friction and Kinetic Friction
(textbook, then my new explanations)
Now we will discuss static friction and kinetic friction,
and explain the true causes. The terms “static friction” and “kinetic friction”
are textbook terms. They are somewhat correct, but mostly the concepts are much
confused with respect to reality.
In brief: static friction is where you push on a book yet
it still does not move. Kinetic friction is where you push on the book with
enough energy to move the book, but there is still friction between the book
and the table.
I can explain this with gravity strings: With static
friction all the gravity strings are connected. With kinetic friction some of the
gravity strings are broken (thus allowing the book to move), yet many more
gravity strings remain connected – which is what holds the book back from
flying completely across the table. (More specifically: new sets of gravity
strings are grabbing the book and holding it back).
Motion of Objects: How Objects Actually Move
We can also explain the movement of the book with my new
models of energy transfer. (I have already written about these new concepts of
energy transfer and motion of objects in other books and articles).
You push the book with your hand. This causes energy strings to transfer from
your hands to the book. More specifically, the energy strings transfer from the
molecules in your hand to the molecules in the book.
Note how motion occurs in my new discoveries: energy
strings enter the insides of molecules. There, the energy strings push on these
atoms, propelling forward. When enough atoms have enough internal energy, these
energy strings will actually push the object forward.
Gravity Strings Hold the Objects Together
On the other hand, there are always gravity strings which
connect objects together (such as the book to the desk). Therefore in order to
get the book to move across the desk, the molecules must have enough energy to
break free from all of the gravity strings, and thus can propel the book
forward.
Static Friction: Gravity Strings Energy Greater Than Internal
Energy
Thus: the “static friction” exists because all the gravity
strings are intertwined. And though we keep pushing on the book, it is not
enough energy to break free from the gravity strings. Thus, the book stays in
place.
Moving Book Across Desk:
Internal Energy Enough to Separate Gravity
Strings
Yet if we apply enough energy to the book, then the
molecules within the book will have enough internal energy to break free from the
gravity strings. Now the book can move forward.
How much the book will move forward will depend on a) the
amount on internal energy in the book, and b) the number of gravity strings extending
from desk and from book. This is where we can better understand “kinetic
friction” in terms of gravity strings.
Kinetic Friction: Gravity Strings Holding the Objects Together
While One Object Moves
In free space, the book would move forward forever.
However, we have gravity strings which can become intertwined. These gravity
strings are constantly grabbing onto each other. This is what causes objects to
fall to the Earth. And this is also what causes friction between two objects
which are already touching.
Returning to our book on the desk: We have applied enough
energy to the book, so that that the book propels itself forward. The book has
enough internal energy to break away from all gravitational connection (all
gravity strings are now separated).
HOWEVER, there are gravity strings extending from all
regions of the desk. And there are always those gravity strings extending from
the book. Therefore, there will be gravity strings intertwining no matter where
the book travels along the desk. THIS IS THE “FRICTION” WHICH HOLDS THE BOOK
BACK.
These gravity strings will intertwine, and the book and
desk will pull together. This is the reason why the book slows down, and
eventually stops moving.
If we apply enough energy, then this book can separate
from those new gravity strings before any significant pulling takes place. The
book will simply slide along. However, at some point the gravity strings will manage to
intertwine and pull book to desk. Eventually the energy of the book will be no
match for the total energy of the gravity strings, and therefore the book
stops.
This is the process of “Friction”…as better understood
with gravity strings and energy transfer.
Static Friction: Reality versus Textbook
It is important that I clarify reality versus textbook
discussions of static friction. The textbook discussions are absolutely
confused.
Typical textbook discussion says: Static Friction is when
you apply energy to the book, yet the book does not move. In reality, there are several things going on here:
1 .The true “static friction” has nothing to do with the
energy you apply. The true static friction is the gravitational connection
between the gravity strings of the book and the desk. The true static friction
exists because the maximum possible gravity strings which can be intertwined
are indeed intertwined. This value exists regardless of how much energy you
apply to the book.
2. The textbook has the term “Static Friction – Maximum”
or “Force of Static Friction – Maximum”. They are on the right track here, but
not quite understanding it. There is indeed a “maximum”. This is the maximum
possible number of gravity strings intertwined between the book and the desk. Thus,
that value is correct.
However, to say that this value depends on the amount of
energy you apply before making the book move is not exactly correct.
Yet, we can make the correlation: since there is a
specific amount of gravitational energy holding the book to the desk, then we
must add that same amount of applied energy to be equal to that value. This
would be, as textbooks say, the maximum amount of energy applied before the book
actually moves. So there is a correlation here. Yet it isn’t the real,
fundamental reason. More importantly, any value which differs from this Maximum
cannot be correlated with reality.
3. The textbook says that when you apply enough energy to
the book the book will move. This is of course true. And then the textbooks
talk about “kinetic friction” (because the book is moving) rather than “static
friction (because the book was not yet moving).
Just remember that in reality the “friction” comes from the
intertwined gravity strings. The applied energy is what causes the one object
to slide across the other. These are two separate concepts.
Coefficient of Static Friction and of Kinetic
Friction, Additional Details
Overview
The textbooks often state two values for Coefficient of
Friction: Coefficient of Static Friction and Coefficient of Kinetic Friction. I
would like to clarify reality from the textbook discussions.
The main points are these:
1. Coefficient of Static Friction is True and Absolute
2. Coefficient of Kinetic Friction is relative – depends
on internal energy, speed of the one object moving across the other.
3. Also, the word “maximum” in static friction is indeed
a maximum, but for different reasons than commonly stated.
Amount of Friction is Number of Gravity Strings
Intertwined (reviewed)
Remember that the amount of friction is essentially the
number of gravity strings intertwined. More gravity strings intertwined will
hold the two objects together more strongly. It will require more applied
energy to push one object across the other. It will be more difficult to move
one object across the other. Therefore we will observe “more friction”. Conversely,
fewer gravity strings intertwined will hold the two objects together more
weakly. It will require less energy to move one object across the other. And
therefore we will observe “less friction”.
Also remember that each material has a particular density
of gravity strings. Thus, when you put one material on top of the other, all
the possible gravity strings will intertwine. (When one object has more strings
than another, those strings will remain free).
This means that when two objects have many intertwined
gravity strings, the pull between them will be very strong. This will result in
a Large Value for Coefficient of Friction. Conversely, when two objects only have
a few intertwined gravity strings, the pull between them will be weak. This
will result in a Small Value of Coefficient of Friction.
Coefficient of Static Friction
The Coefficient of Static Friction is an absolute, and it
is accurate. However the reality should be clarified. As described above the
static friction is based on the total number of gravity strings which are
intertwined between two objects. This keeps the two objects together.
This number is based on the maximum number of gravity
strings intertwined for those two materials. This is where the true meaning of “maximum”
exists, and not in the “maximum push
before moving”.
However, the value can be determined by pushing one
object, until just before it moves. This correlation exists because the
internal energy and gravitational energy of the intertwined strings are now
equal. Just be sure you understand the difference between a correlation and the
true cause.
This number only makes sense under these conditions:
1. The two objects are laying across each other. (If you
lift one object above the other, then some strings will separate, and this
value has no meaning).
2. Also, this number only makes sense when the two
objects are stationary.
Coefficient of Kinetic Friction
The Coefficient of Kinetic Friction is only a partially
meaningful number. The basic textbook concept is to get an idea of the friction
between two particular objects…as one object is sliding across the other.
This number is based on the number of intertwined gravity
strings between the two objects…at any one moment in time.
Remember that in order to move forward the gravity
strings connecting the two objects must separate. (This is done as the moving
object propels forward). However, the stationary material will continue to have
the same density of gravity strings spread throughout the object. And therefore
the moving object will continue to encounter gravity strings of the stationary
object (just in different locations) and thus will be held back. This is the “friction”
observed as one object moves across another.
For example, the desk will have the same density of
gravity strings extending from all regions of the desk. Therefore as the book breaks
free from one set of gravity strings, and slides forward, this book will
encounter additional gravity strings in other sections of the desk. These
gravity strings will pull the book and table together, which essentially pulls
the book to the table. This is the friction as one object moves across another.
Therefore this Coefficient of Kinetic Friction is never
an absolute value. It depends on how many gravity strings are intertwined at
any moment in time. This means that the value really only has meaning when we
know the exact speed, or the internal energy, of the one object sliding across
the other.
However, we are still only considering the gravity strings
between those two objects, and no others. Thus the concept of the Coefficient
of Friction – in general – can actually work.
Coefficient of Friction: General Use
However, we are still only considering the gravity strings
between those two objects, and no others. Thus the concept of the Coefficient
of Friction – in general – can actually tell us the degree of friction or
gravitational connection between those two objects. If used properly, this
value can guide us, and help us make comparisons.
Friction Between Two Objects
and Gravity Connecting Objects to the Earth
Overview
The causes of friction and the causes which hold an
object to the Earth are similar, but slightly different. Both are caused by
gravitational connection – specifically the gravity strings which are intertwined.
However, the specific set of gravity strings which are intertwined are
different. And they exist at the same time.
We are also talking about different motions for our
object. Friction is observed when the object is already on the ground, and we
push it forward, yet the gravity strings hold it back. Traditional gravity is
observed when the object is lifted above the ground and let go, then the
gravity strings pull the object downward. Similar, but slightly different.
Example of Book on the Table
Let us take an example of the book on the table. The book
is gravitationally connected to the table, yet the book is also gravitationally
connected to the Earth.
All three objects have gravity strings. Therefore any two
gravity strings of any two objects can intertwine, and become gravitationally
connected. Therefore between the book and the table there are gravity strings
which are intertwined. These gravity strings pull the book to the table, and
pull the table to the book.
Yet at the same time the book has plenty of other gravity
strings which can be connected to the gravity strings of any other object. This
includes a pencil on top of the book, or the Earth which exists below the
table. Therefore, the book has some gravity strings connected to the Earth,
while the book also has other gravity strings connected to the table. Set a
pencil or a stapler on top of the book and additional gravity strings of the
book will become intertwined with those objects as well. These sets of
intertwined gravity strings co-exist at the same time.
The lengths of the gravity strings will of course differ,
as will the densities (as explained in my book on Gravity Strings). This
becomes important when separating objects.
Lifting the Book off of the Table
Before we look again at pushing the book across the table,
let us talk about lifting the book off the table.
Notice that when we lift the book of off the table we are
in the process of separating two sets of gravity strings. We are stretching and
separating the set of gravity strings between the desk and the book…and we are
also stretching the set of gravity strings between the Earth and the book.
If we want to separate the gravitational pull of the
table, then we must separate all gravity strings which connect the table to the
book. Thus we lift the book high enough above the table to accomplish this.
However, the gravity strings which connect the Earth to
the book are much longer. (Most gravity strings from the Earth extend several
hundred feet into the air, at their shortest lengths, and millions of miles at
their longest lengths). Therefore even when we completely separate the gravitational
connection between book and table, we will still have gravitational connection
between the book and the Earth. This is why no matter how far up we raise the
book, if we let go, then the book and Earth will come together again.
Friction versus Traditional Gravity
Now we can return to Friction and compare it to Traditional Gravity. The mechanisms for pushing the book across the table is similar to lifting the book off of the table, just in a different direction. Also note that the connection between Earth and book remain together even when we manage to move the book forward.
Whenever two objects are gravitationally connected, and
we want to move one object forward, there is only one way to do it: the desired
object must be given enough additional energy to break away from the gravity
strings. (Details and examples are discussed in my book “Introduction toGravity Strings”). When this occurs, the desired object has more internal
energy than gravitational energy, and the object will propel itself away from gravity
strings of the other object.
For example: we push a book forward by transferring enough
energy to the book, such that the book is able to propel itself forward (all
objects are really self-propelled), away from the gravity strings of the other
object.
If there is enough applied energy, then the object will
be completely free. However, there is almost always some object nearby, with gravity
strings which will intertwine with our free object, and the two objects will be
pulled closer together. When this occurs for an object in the sky above Earth,
we call it “Gravity”. When this occurs for one object sliding along another, we
call it “Friction”. Yet it is essentially the same thing.
Separating One Set of Strings But Not The Other
Another thing to consider regarding friction is that when
one object slides over another we are separating the gravity strings between those two objects. We only need
to separate the gravity strings between those two objects, and not any other
objects.
Therefore, we can separate gravity strings between the
book and the table, and propel the book forward…and yet at the same time the
gravity strings are still connected between the book and the Earth.
Similarly, we can put a stapler on the book and push both
along. The stapler is gravitationally connected to the book (and to the earth
of course). When we push the book the stapler can go along for the ride. The
sliding is only done between the book and the desk; the stapler and the book
retain their own gravitational connection.
Temperature and Heat in Friction
Overview
The concepts of temperature and heat as related to
friction really need more thought and discussion. However, here are few initial
thoughts which come to mind.
Temperature Increase in Friction
The Temperature increase in friction occurs when we keep
adding energy, and yet there still is not enough to break free from the
gravitational connection. Temperature is of course the measurement of kinetic
energy, and thus as we apply more energy to the object, the temperature will
increase. This is the case whether the object is moving or not.
Heat Coming Off, and Melting in Friction
The heat which may come off is different. Heat is a type
of energy transfer. Thus, if the energy we add is not allowing the object to
break free of the gravity strings, then the energy may be exhibited in other
ways. This includes cracks or melting (where the internal energy breaks the
atoms and molecules apart). This could also be in the release of energy strings
into the air, which we call “heat”.
Concluding Thoughts
I realized yesterday that Friction is simply another version
of Gravity.
In both cases, there are gravity strings which intertwine
and hold the two objects together.
In both cases, to get the object to move we must separate
the intertwined gravity strings, and this requires adding enough energy to one
of the objects.
In both cases, the gravity strings are the entities
holding the moving object back, while at the same time that object is trying to
move forward.
I love the idea that Friction can be explained using
gravity strings. Being able to explain Friction this way makes it so much more
sensible. And it offers additional support for the Gravity Strings Model.
Now that we can understand Friction in this way, imagine
what we can do with future innovations.
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