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This is what I posted, and there are details in the encyclopedia.
1.All objects have the property of keeping their state of motion constant.
2 The acceleration of an object is directly proportional to the resultant external force f experienced by the object, inversely proportional to the mass of the object, and the direction of acceleration is the same as the direction of the resultant external force.
3。The action and reaction forces between two objects, on the same straight line, are equal in magnitude and opposite in direction.
4。Any two objects in nature are attracted to each other, and the magnitude of the gravitational force is proportional to the product of the masses of the two objects and inversely proportional to the quadratic of their distance.
5.If each of the two thermal systems is in thermal equilibrium with the third thermal system, they are also in thermal equilibrium with each other.
6.Heat can be converted into work, and work can also be converted into heat; Consuming a certain amount of work will produce a certain amount of heat, and when a certain amount of heat disappears, a certain amount of work will also be produced.
It is not possible to transfer heat from a cold object to a hot object without causing other changes.
2) It is not possible to draw heat from a single heat source to make it completely successful without other changes. A circulating heat engine that absorbs heat from a single heat source is called a type 2 perpetual motion machine, so the Kelvin statement means that "the second type of perpetual motion machine cannot be realized".
8.It is not possible to cool an object to zero degrees of thermodynamic temperature with limited reversible operation.
9.Given an object, it moves relative to some objects, marks these objects, and then corresponds to these distances with a sequence, so that these objects become references, and the totality of the distances from a given object to these objects becomes the reference space.
10.The speed of light in a vacuum is the same for any observer.
11.The gravitational field is equivalent to a frame of reference moving with proper acceleration.
13.It refers to a substance that has both the properties of a wave and the properties of a particle.
14.A change in the energy of electrons in a particle (atom, ion, or molecule) of a substance.
15.It is impossible for certain physical quantities of a microscopic particle (such as position and momentum, or azimuth and momentum, as well as time and energy, etc.) to have definite values at the same time, and the more certain one of them, the greater the uncertainty of the other.
16.Electrons in an atom that are in exactly the same state of motion cannot be accommodated.
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16 It is impossible for an atomic orbital to hold two electrons with exactly equal four quantum numbers.
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The conservation laws in physics are: conservation of mechanical energy, conservation of momentum, conservation of angular momentum, conservation of charge, conservation of energy, and so on.
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1. The law of conservation of mass.
2. The law of conservation of energy.
3. The law of conservation of mechanical energy.
4. The law of conservation of electron numbers.
5. The law of conservation of momentum.
6. The principle of work.
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Energy is conserved, momentum is conserved.
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Answer: In physics, there are: the law of conservation of mass, the law of conservation of energy, and the theorem of conservation of momentum.
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The conservation laws in physics are:
The law of conservation of energy.
The law of conservation of momentum.
The law of conservation of mass.
The law of the immortality of matter.
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In high school physics, you will learn the law of conservation of mechanical energy and the law of conservation of energy.
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The ten laws of horror physics are: Newton's first law, Newton's second law, Newton's third law, the law of universal gravitation, the first law of thermodynamics, the law of conservation of momentum, the second law of thermodynamics, the third law of thermodynamics, the law of relativity, and the law of motion limits. These ten laws of physics reveal the true secrets of physics and break the stubborn thinking of people in the past.
1. Newton's first law: There is inertia between objects, and inertia is determined only by the mass of the object.
2. Newton's second law: the relationship between the net force and the acceleration of an object. When the mass of the object is constant, the net force is directly proportional to the acceleration.
3. Newton's third law: the force between objects is mutual, and others will hurt themselves if they hit themselves.
4. Gravitational force: It is formed between all things, not only between planets, but also between people, between any two objects with mass.
5. The first law of thermodynamics: no matter what movement is done, it will follow the conservation of energy, and energy will not be affected in any way.
6. The law of conservation of momentum: It is more universal than the law of conservation of energy. Even if the energy is lost, the momentum is never lost.
7. The Second Law of Thermodynamics: Reveals the Secrets of the Universe. Scientists believe that everything is moving in a more chaotic direction, and that all ordered activities will eventually become disordered movements.
8. The Third Law of Thermodynamics: Leads to the concept of absolute zero, which is the absolute zero point in the universe. If the absolute zero point is reached, all motion in the universe will stop, even the irregular motion of molecules.
9. The theory of relativity: proposed by the famous scientist Albert Einstein. The theory of relativity breaks Newton's absolute view of space-time and effectively proves the relationship between the velocity of an object and space-time.
10. The Law of Motion Limit: The photon is the smallest basic unit of energy, and light is the energy in the universe. The speed of light in the universe is constant, it will not be disturbed by other matter, and it will always maintain a constant speed.
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