Do kinetic energy and potential energy change with the motion of an object?

Generally speaking, kinetic energy and potential energy (gravitational potential energy, elastic potential energy) together are called the mechanical energy of an object.

In an ideal situation (without external force), the sum of its kinetic energy and potential energy (collectively known as mechanical energy) does not change, and they can be converted into each other. The potential energy decreases and the kinetic energy increases.

The potential energy increases and the kinetic energy decreases.

But this general situation does not exist, so the sum of kinetic energy and potential energy (collectively referred to as mechanical energy) will change, and the work done by the external force will be negative.

When a person holds an open bow, the bow has gravitational potential energy due to being lifted high and has elastic potential energy because the bow undergoes elastic deformation, so gravitational potential energy and elastic potential energy can exist at the same time. The stone on the top of the mountain is a stationary object that has gravitational potential energy due to being lifted high by the mountain. There is a direct conversion between potential energy and kinetic energy, so it is possible that they may not exist at the same time.

As for whether there is elastic potential energy in moving objects, it is being studied...

First of all, you have to understand that kinetic energy refers to the energy that an object has due to motion, and when studying mechanical motion, we usually have to choose a reference, the reference object is different, the motion state of the same object may be different, and the motion speed of the object can also be different, so for the same object, you choose different reference objects, and its kinetic energy is different, for example, the speed of a flying bullet is very high for pedestrians on the ground, so the kinetic energy is very large and can penetrate the human body. However, a flying bullet may not necessarily cause damage to a supersonic aircraft in the sky, and if the plane and the bullet are in the same direction and have the same velocity, the bullet can fly side by side with the aircraft, and the bullet will not be harmful to the aircraft.

Potential energy is sometimes the same, there is also a reference plane for being lifted, this reference plane can be arbitrarily selected, I can choose the ground, I can also choose the horizontal plane, I can choose a plane of a certain height.

When you understand this, you will understand that the question you are asking cannot be clarified in a few words.

Of course, if it is in the study of junior high school students, we do not consider the problem so complicated. Then all of the above landlords are okay.

Kinetic energy: The energy possessed by an object due to its motion, which is called the kinetic energy of a chaotic object. Its size is defined as one-half of the product of the mass of the object and the square of the velocity.

Potential energy: Potential energy is the energy that belongs to the common energy of the system of things, and it is usually said that the potential energy of an object is actually a shorthand statement. Potential energy is a relative quantity. Choose different potential energy zeros, and the value of potential energy is generally different.

The energy possessed by the object due to is called kinetic energy, and the energy possessed by the object due to is called the gravitational potential circular energy; The energy that an object has due to its occurrence is called elastic potential energy, and kinetic energy and potential energy are both called in bright terms

Answer. Reproducing Physics Knowledge:

The energy that an object has due to motion and the object due to motion is called kinetic energy;

The energy of the object due to the lifting of the clear bond is called gravitational potential energy;

The energy possessed by an object due to elastic deformation is called elastic potential energy;

Mechanical energy is the sum of kinetic energy and potential energy

So the answer is: exercise; to be lifted high; elastic deformation; Mechanical energy

The kinetic energy of an object is related to the mass of the object, the magnitude of its velocity.

ek＝mv^2 / 2

Note: Kinetic energy is the title and has nothing to do with the direction of velocity.

The kinetic energy of an object is related to the mass of the object, the magnitude of its velocity.

ek＝mv^2 / 2

In classical mechanics, momentum (kg·m s in the International System of Units) is expressed as the product of the mass and velocity of an object, and is a physical quantity related to the mass and velocity of an object, which refers to the tendency of the object to maintain motion in the direction of its motion.

It is related to the mass and velocity of the object.

The energy possessed by an object that is related to motion is called mechanical energy (kinetic energy).

Summary. Extension: Mass is the basic property of an object and is used to describe the object's relationship to inertia.

It is a measure of an object's ability to resist changes in its state of motion. The more massive the object is, the greater its inertia, i.e., the less likely it is for the object to change its state of motion. Mass is a scalar physical quantity, usually measured in kilograms (kg).

It is directly related to the inertia of the object and is an intrinsic property of the object, independent of the environment and conditions in which the object is located. According to Newton's first law, mass is the key factor that determines the acceleration of an object when it is subjected to an external force. According to the principle of mechanics, the acceleration of an object is directly proportional to the resultant external force acting on the object and inversely proportional to the mass of the object.

i.e. f = ma, where f denotes the resultant external force, m denotes mass, and a denotes acceleration. This shows that given the resultant external force, the acceleration of the object with greater mass is less, and vice versa. Thus, mass is a physical quantity that describes the magnitude of translational inertia of an object.

It characterizes the degree to which an object resists a change in the state of motion when subjected to an external force, and determines the object's response to force and dynamic behavior.

The kinetic energy theorem states that () can change the kinetic energy of an object.

What to put in parentheses.

Kiss! In parentheses: Only the net external force does work on the object.

Extension: Only an external force can change the kinetic energy of an object. External forces can change the velocity or position of an object by applying forces such as pushing, pulling, and rubbing to the object, and then refer to the kinetic energy of the object.

For example, when we push a bicycle that is parked in place, the thrust exerted by us does work on the bike, causing it to gain kinetic energy and start moving.

What is the static external force.

Is it an external force?

To be precise, the external force at rest refers to the force exerted on an object at rest.

Let's just say that external forces can't work.

I didn't learn static external force.

Kiss! Okay! It's an external force!

The physical quantity that describes the translational inertia of the object is called ( ) What is in parentheses.

Kiss! In parentheses: quality.

Extension: Mass is the basic property of an object, and it is used to describe the relationship between the object and inertia. It is a measure of an object's ability to resist changes in its state of motion.

The more massive the object is, the greater its inertia, i.e., the less likely it is for the object to change its state of motion. Mass is a scalar quantity and is usually measured in kilograms (kg). It is directly related to the inertia of the object and is an intrinsic property of the object, independent of the environment and conditions in which the object is located.

According to Newton's first law, mass is the key factor that determines the acceleration of an object when it is subjected to an external force. According to the principle of mechanics, the acceleration of an object is directly proportional to the resultant external force acting on the object, and inversely proportional to the mass of the object. i.e. f = ma, where f denotes the resultant external force, m denotes mass, and a denotes acceleration.

This shows that given the resultant external force, the acceleration of the object with greater mass is less, and vice versa. Thus, mass is a physical quantity that describes the magnitude of translational inertia of an object. It characterizes the degree to which an object resists a change in the state of motion when subjected to an external force, and determines the object's response to force and dynamic behavior.

The energy possessed by an object due to is called kinetic energy, and the energy possessed by an object due to is called gravitational potential energy; The energy that an object has due to the occurrence of brightness is called elastic potential energy, and kinetic energy and potential energy are collectively referred to

Answer (Find homework answers --- on the Rubik's Cube).

Reproducing Physics Knowledge:

The energy that an object has due to motion and the object is in motion is called kinetic energy;

The energy that an object has due to being lifted is called gravitational potential energy;

The energy possessed by an object due to elastic deformation is called elastic potential energy;

Mechanical energy is the sum of kinetic energy and potential energy

So the answer is: exercise; to be lifted high; elastic deformation; Mechanical energy

Kinetic energy is the energy-sensitive amount that an object has by motion, and if it is at rest, it does not have kinetic ......energy

That's right. Therefore, the kinetic energy is relative to the reference object, the moving car is a good omen, the kinetic energy of the passengers relative to the carriage is zero, and the kinetic energy relative to the road bridge sock rental is not zero.

a. Kinetic energy is the energy due to the motion of the object, so the moving object must have kinetic energy, a statement is correct, not in line with the topic;

b. There are many kinds of energy, and it is not that the object with energy must be moving, for example, the stone stationary on the mountain has energy (gravitational potential energy), but it is not moving, so B is wrong and in line with the topic;

c. Motion is the standard of kinetic energy, as long as the object has kinetic energy, it must be moving, so C is correct and does not conform to the topic;

d. When the velocity or mass of an object changes, the kinetic energy it has also changes, so D is correct and does not conform to the topic

Therefore, choose B

The energy that an object has due to its "motion" is called kinetic energy.

The kinetic energy of an object is related to mass and velocity.

Kinetic energy: The energy that an object has due to its motion is called kinetic energy.

The specific relationship between kinetic energy and mass and velocity: kinetic energy is proportional to the square of mass and velocity, and its calculation formula is: ek.

In the relationship between kinetic energy and mass, roll down the ball with different masses and the same shape from the inclined plane, let it hit the wooden block stationary on the inclined plane, etc., and compare the kinetic energy with the size of the distance moved by the wooden block.

The conclusion is that the greater the mass at a certain velocity, the greater the kinetic energy.

In the same way, when studying the relationship between velocity and kinetic energy, the same ball is rolled down from different positions on the inclined plane and hits the wooden block. The conclusion is that the velocity is high, and the kinetic energy is large.

The energy possessed by a moving object can be kinetic energy, potential energy, or other forms of energy.

The former is a type of energy produced by the movement of an object, and there is only one kind. The latter is a moving object, which has energy, and then there is more. In short, it's a play on words.

When a moving object, such as a ping-pong ball hits the ground, when it lands, the object not only has kinetic energy, but also gravitational potential energy, and when the air resistance rubs against the ball to generate heat, it will generate internal energy.

What is the difference between the energy of an object due to motion and the energy of a moving object--- you can understand the difference by looking at the following sentence!

What is the difference between a dog's owner and an owner's dog?

Moving objects not only have kinetic energy, but also other forms of energy such as potential energy, internal energy, etc.