1, constant velocity linear motion formula

The formula of uniform linear motion is a formula describing the relationship between the position, speed and time of an object moving in a uniform linear motion. Its mathematical expression is: s=vt, where s stands for displacement, v stands for speed and t stands for time.

2. Newton's second law

Newton's second law is a formula describing the motion law of a stressed object. Its mathematical expression is: F=ma, where f represents the resultant force acting on the object, m represents the mass of the object, and a represents the acceleration of the object.

3. Law of Conservation of Energy

The law of conservation of energy is a formula describing the law of energy transformation and conservation. The mathematical expression is E 1+Q-W=E2, where E 1 represents the initial energy of the system, q represents the heat absorbed by the system, w represents the work done by the system, and E2 represents the final energy of the system.

4. Einstein's mass-energy equation

Einstein's mass-energy equation is a formula describing the relationship between mass and energy. Its mathematical expression is: E=mc2, where e stands for energy, m stands for mass and c stands for the speed of light.

5. Bohr theory

Bohr theory is a formula to describe atomic structure and quantum mechanics. Its mathematical expression is: E=- 13.6Z square /n square, representing energy, z representing atomic number, and n representing energy level.

6. Boltzmann law

Boltzmann's law is a formula describing the velocity distribution of gas molecules. Its mathematical expression is: p=nkT, where p represents the pressure of gas, n represents the number density of gas molecules, k represents Boltzmann constant, and t represents the temperature of gas.

7. Maxwell equations

Maxwell equations are formulas to describe electromagnetic fields. It consists of four equations, namely, Gauss's law, Ampere's law, Faraday's law of electromagnetic induction and Faraday's law of electromagnetic induction.

8, the first law of thermodynamics

The first law of thermodynamics is a formula describing the relationship between heat and work. Its mathematical expression is: U=Q-W, where AU represents the change of internal energy of the system, q represents the heat absorbed by the system, and w represents the work done by the system.

9, the second law of thermodynamics

The second law of thermodynamics is a formula describing the law of heat transfer direction. Its maThematical expression has many forms, and the common one is Carnot cycle efficiency formula: n= 1-Tc/Th, where n stands for Carnot cycle efficiency, Tc stands for cold source temperature and th stands for heat source temperature.

10, law of entropy increase

The law of entropy increase is a formula describing the law of entropy change direction. Its mathematical expression is: ∫dQ/T≤0.