Sunday, February 14, 2010
Encounter with physics (part one)
Posted on 6:26 PM by Mohamed Omar
Physics: It is the science that seeks the interpretation of all physical and cosmological phenomena, and the understanding of :
- How things work
- Why things repeating themselves under the same conditions
- Explaining all the phenomena around us
- Setting up basic laws and theories
- Applying these laws and theories in all fields such as (medicine – engineering – agriculture – science)
Characteristics of Basic laws:
- Describe what exits
- with each other (form a package)
- None contradicts another
- Observe a problem
- Make a hypothesis
- Design an experiment and Observe/Take Data
- and Analyze/Interpret the Data
- Make conclusions by forming the simplest general rule
Physical quantities: it is any quantity which can be determined and has a unit of measurement such as (length – mass – time – area – volume – velocity …… etc.)
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