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# 17 Scientific law of Physics

In the world of physics, of course we know many laws that are made or found to be the basis of an action or reaction in physics.

## Here is a list of physical laws.

### 1. Archimedes’ Law, +250 BC.

If an object is immersed in a liquid, it will get an upward pressure equal to the weight of the liquid pressed by the object.

If two (or more) gases are equal in volume, then the gases are the same number of molecules each, as long as the temperature and pressure are the same.

### 3. Bernouilli’s Law, 1738.

For liquids, which cannot be compressed and which flow in a stationary manner, the amount of motion energy, place energy and pressure energy is constant.

### 4. Boyle’s Law, 1662.

If a quantity of an ideal gas (i.e. quantity by weight) has a constant temperature, then also the product of volume and pressure are constant numbers.

### 5. Boyle-Gay Lussac’s Law, 1802.

For a quantity of an ideal gas (ie quantity by weight) the product of the volume and the pressure divided by the absolute temperature is constant.

### 6. Coulomb’s Law, 1785.

1. 1. The force applied by two magnetic poles to one another is proportional to the barrel with the strong mechanism of the poles and is proportional to the square of the distance between the two poles.
2. The force applied by two objects (each of which is electrically charged), one to the other, is proportional to the barrel of the electric charge of these objects and is proportional to the square of the distance between the two objects.

### 7. Dalton’s Law, 1802.

Pressure and a mixture consisting of several types of gases (which do not react chemically with each other) are equal to the amount of pressures of each gas, he explained, the pressure of each of these gases, if he each was alone in the mixture chamber just now.

### 8. Dulong and Petit Law, 1819.

Calories from solids are about 6 calories per grammolecule.

### 9. Galilei Laws (swing laws), 1596.

1. Swing tempo does not depend on the magnitude of the application (swing distance), provided the amplitude is not too large.
2. Swing tempo does not depend on the weight of the swing swing.
3. Swing tempos are proportional to the barrel with roots of the length of the pendulum swing.
4. Tempo swing is proportional to the root of the acceleration caused by gravity.

### 10. Kirchhoff’s Laws, 1875.

1. 1. If the various electric currents coincide at a point, then the algebraic sum of the strength of these currents is 0 at the point of reference earlier.
2. In a closed circular electric current the following equation applies: The amount of algebra from hash times – the product of the current strength and resistance in each part (of the circle) is equal to the amount of algebra from its electromotive forces (GGL – electromotor force) .

### 11. Lenz’s Law, 1878.

If an electric conductor is driven in a magnet field, the induced electric current is directed so that the electric conductor motion that causes the induction is blocked by it.

### 12. Newton’s Law, 1687.

Two objects attract each other with a force that is proportional to the masses of the masses of the two objects and directly propotional to square of the distace between the objects as well.

### 13. Ohm’s Law, 1825.

If an electric current passes through a conductor, then the strength of the current is proportional to the electric voltage between the two ends of the conductor.

### 14. Pascal’s Law, 1658.

If a liquid is subjected to pressure, then that pressure will propagate in all directions by not increasing or decreasing its strength.

### 15. Snellius Law, 1621.

1. 1. If a ray of light passes through the boundary of two types of liquid, then the original line of the ray is the line after the light has refracted and the normal line is at the bias point, all three lines are located in one plane.
2. The ratio between the sines of the entry angle and the bias angle is constant.

### 16. Stefan-Boltzamann Law, 1898.

If a black body emits heat, the intensity of the radiant heat is proportional to the square of the absolute temperature.

### 17. Wiedemann-Franz Law, 1853.

For all kinds of pure metal is the ratio between the specific conductor of a motor and the specific electric conductivity of a constant number, if the temperature is the same.

These are some of the laws or propositions contained in physics that are used in each of our daily activities or in the industrial world today.