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characteristics of kinetic energy

characteristics of kinetic energy

 

characteristics of kinetic energy

 

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characteristics of kinetic energy
characteristics of kinetic energy

 

 

Energy Sources and Forms

The basic energy source is the sun. On the sun, matter is transformed into energy (E),

by using up its mass m, according to the equation E=mc2, where c is the speed of light in a vacuum (≃3*108 m/s).
With the exception of the gravitational field,

the renewable and non-renewable energy sources present on the earth in various forms originate either directly or indirectly from the sun’s energy.

characteristics of kinetic energy
characteristics of kinetic energy

Energy Quality and Operative Flexibility

 

Energy may be superior or inferior (i.e., its qualitative level varies). Forms of energy that are able to create mechanical energy (with which it is possible to meet any type of requirement) are considered to be “superior”; the term “inferior”,

However, a tank of water heated to 60°C is an inferior form of energy; one of its few uses is home heating.
In general, it is incorrect to add together forms of energy of different qualities (since each of these forms provides different results).
Energy tends to deteriorate from superior to inferior forms.

For example, in an Otto engine, gasoline (superior chemical energy) explodes thereby creating mechanical and thermal energy at various temperatures (exhaust gas: 500–700°C; cooling air: 80–100°C).

Once the former energy is supplied it turns into thermal energy,

while the latter is diluted into the environment at lower and lower temperatures.
Edible energy (which is chemical in nature) should also be noted here.

Its qualitative level is significantly different from that of other forms of energy.

Consequently, from a conceptual standpoint, comparisons between these forms of energy should be avoided.

 

What are 5 kinetic energy examples?

Moving Car. Moving cars possess some amount of kinetic energy. …
Bullet From a Gun. A bullet fired from a gun has very high kinetic energy, and, so, it can easily penetrate any object. …
Flying Airplane.
Walking & Running.
Cycling.
Rollercoasters.
Cricket Ball.
Skateboarding.

characteristics of kinetic energy
characteristics of kinetic energy

What are the characteristics of potential and kinetic energy?

The main difference between potential and kinetic energy is that one is the energy of what can be and one is the energy of what is. In other words, potential energy is stationary, with stored energy to be released;

kinetic energy is energy in motion, actively using energy for movement.

What are 3 things about kinetic energy?

There are two types of kinetic energy: transitional and rotational.
Transitional kinetic energy depends on the motion through space. …

you can calculate the kinetic energy.

What are some characteristics of energy transfer?

Energy moves and changes form.

Energy transfer takes place when energy moves from one place to another. Energy can move from one object to another,

like when the energy from your moving foot is transferred to a soccer ball,

or energy can change from one form to another.

What are the 4 characteristics of matter?

Some physical characteristics of matter are shape, color, size, and temperature.

What Is Kinetic, and What Does It Mean?

For starters, you’ll need to know what kinetic means. The Merriam-Webster Dictionary defines the word kinetic as “of or relating to the motion of material bodies and the forces and energy associated therewith.”
That sounds a bit complex,

so let’s sum it up.

characteristics of kinetic energy
characteristics of kinetic energy

kinesis

The term kinetic originates from the Greek word kinesis and means motion. Therefore, kinetic energy is the energy of motion.

There are only two primary forms of energy

There are only two primary forms of energy. Kinetic energy (KE) is one of them. Further explained,

it’s the Any object (also known as mass) that is moving is said to have KE.
For something to have KE, something must do work to it. In this case,

work is considered a force acting on an object the same direction as the motion.

The amount of work required depends on the object’s mass and the distance we’d like the item to travel.
For example, think about pushing your child down a sledding hill.

Here, the work is you pushing your child who is now sledding down the hill.

This relationship between work and kinetic energy is called the work-energy theorem

 

This theorem is related to Newton’s second law

This theorem is related to Newton’s second law,

which states that “the acceleration of an object is directly related to the net force and universally related to its mass.”

Therefore, accelerating an object, meaning an increase in KE, is directly related to two things: force (which gives it speed) and mass.
Simply put, the more mass and velocity an object has, the more kinetic energy it will have.

 

At this point, you’re probably asking, aren’t there two forms of energy?

 

Yes, there are.

The second is called potential energy.
To easily remember this, think of kinetic and potential energy as opposites.

meaning it has the potential for motion but is currently at rest.
A great example of kinetic and potential energy is a bow and arrow.

When drawn back, the bow has potential energy.

When released, the potential energy transfers to the arrow, giving it kinetic energy.

Today, we’ll keep our focus on the energy of motion.

What Are Five Kinetic Energy Examples?

To further answer the question, “What is kinetic energy?”

let’s take a look at some basic examples of objects with KE before we continue.
A roller coaster car in descent
An airplane in flight
A flowing river
Riding a bike
Wind
These examples of objects with KE should give you a visual reference to simplify the concept.

An airplane in flight has a fast velocity and a large mass which gives it a lot of KE.

In contrast, a flying insect has a relatively small amount of KE due to its slower velocity and smaller mass.
Fun fact: in billiards, when a cue ball collides with a stationary ball,

it comes to a complete stop, transferring its full momentum and complete KE.

What Are the Characteristics of Kinetic Energy?

 

The movement of an object, sometimes referred to as a body, produces kinetic energy.

It enables us to generate changes related to speed. Here are a few more main characteristics of kinetic energy:
It increases or decreases only when the velocity changes.
It is greater in heavier objects.
It can transform into other types of energy.
It will occur regardless of the moving object’s direction of travel.
Its measurement is joules (J).
Fun fact: Lord Kelvin received credit for first using the term kinetic energy around the year 1849,

but KE conceptually dates back to the days of Aristotle.

An Object Will Maintain the Same Amount of Kinetic Energy Until It Slows Down or Speeds Up.
Kinetic energy increases with speed. For example, a car driving down the road has KE. When set on cruise control, the car’s KE will remain the same.

When the vehicle speeds up, there is an increase in the energy of a body, aka the kinetic energy increases.

Kinetic Energy of an Object Is Greater When the Object Has a Greater Mass.

For example, if a car and a truck are driving at the same speed, the truck will have total kinetic energy because it has more mass than the car.

What Are the Factors That Affect Kinetic Energy?

The answer lies in what we read above: mass and speed. When the mass of an object doubles,

its kinetic energy doubles.

However, when the speed of an object doubles, its kinetic energy quadruples.
On the contrary,

 

This makes the rule for kinetic energy: = 1/2 m v2, where m is the mass of an object and v is the velocity or speed that object carries.
Any time you know the mass and the speed of a moving object,

you can find out how much kinetic energy it has. We will revisit this later for a more thorough explanation.

 

Can Kinetic Energy Transform Into Alternative Forms of Energy?

Yes, kinetic energy can transform into alternative forms of energy, such as heat.

 

When the atoms and molecules of a substance vibrate faster due to a temperature rise,

we get thermal energy.

More to come a bit later on alternative forms of energy as well.
Fun fact: Boiling a tea kettle of water is an excellent example of both kinetic and thermal energy.

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