The bodies are characterized by certain thermal states. Some bodies have lower temperatures, but some are more hot. Temperature characterizes the degree of warmth of a body. By warming up the body its temperature increases, and most often its...
As the history of people tried to measure the physical quantities and used the measurement units and instruments for measurement. The development of traffic has led to the connection between the countries. Thus, the need for the introduction of...
When we hold an item in our hand, it presses our hand downwards. The force by which the body presses the horizontal surface on which it stands is called the weight of the body.
The gravity force and the weight...
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Gravitational Interaction
Gravity is an invisible force that draws all the bodies in the Universe to each other. Solar gravity keeps the planets in their orbits. Earth's gravity 'ensures' that the Moon circulates in its orbit around the Earth. The...
If we select a measuring unit for each size, we get a system of measuring unit.
Today we have a unique international system where for each size there is a precisely defined unit of measure. This is called International System...
Third Newton's law is often called the Law of Action and Reaction. And the law explains the nature of force between two interaction bodies that have equal magnitude and the opposite directions.
If the force comes from one body and...
It is clear that it is not enough to use only one measuring unit for a particular physical size. So offten, besides basic units, larger and smaller units of measure are introduced.
To indicate these units, we use prefixes that...
