In mechanics we deal with two types of quantities (variables): scalar and vector …
Category: Physics
Thermal expansion is a physical property of a substance (gas, liquid or solid) …
How to calculate thermal expansion
The study of classical mechanics starts with Newton’s laws (principles) of motion. These laws …
The principles of classical (Newtonian) mechanics
From mechanics we know that, between two bodies, which are not in contact …
Coulomb’s Law – the force of interaction between electric charges
The ratio between weight and volume is called specific weight. The symbol used …
Specific weight
Matter exists in three common phases: solid liquid gas A solid has a …
Fluid Density
Matter is made by atoms. The atom has a nucleus and one or …
Static electricity and charge
All matter is made from particles (atoms or molecules) that are in constant motion. …
Temperature
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