Showing posts with label Physics. Show all posts
Showing posts with label Physics. Show all posts
Tokoh Fisikawan Hebat Di Dunia
1.      Albert Einstein
Dalam sebuah makalah tahun 1905, Einstein menjelaskan efek fotolistrik dari sebuah  hipotesa bahwa cahaya terdiri dari partikel dengan energi sama, dimana h adalah konstanta yang dikenal sebagai konstanta plack. Ini merupakan penjelasan Planck terhadap cahaya. Persamaan Einstein kemudian diuji secara eksperimen pleh Millikan pada tahun 1916. pada tahun 1905, Einstein memberikan penjelasan tentang gerak Brown dengan menggunakan teori kinetik, dia menyatakan bahwa hal itu disebabkan oleh tumbukan acak dari molekul. Einstein selanjutnya menurunkan suatu persamaan yang menyatakan bahwa suspensi dari partikel secara eksponensial menurun dari bawah ke atas. Einstein kemudian mengembangkan relativitas
Quarks
 A quark is an elementary particle and a fundamental constituent of matter. Quarks combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei. Due to a phenomenon known as color confinement, quarks are never directly observed or found in isolation; they can be found only within baryons or mesons. For this reason, much of what is known about quarks has been drawn from observations of the hadrons themselves. There are six types of quarks, known as flavors: up, down, strange, charm, bottom, and topUp and down quarks have the lowest masses of all quarks. The heavier quarks rapidly change into up and
Sir Isaac Newton
Isaac Newton
Newton was an English physicist and mathematician, and the greatest scientist of his era.
 Isaac Newton was born on 4 January 1643 in Woolsthorpe, Lincolnshire. His father was a prosperous farmer, who died three months before Newton was born. His mother remarried and Newton was left in the care of his grandparents. In 1661, he went to Cambridge University where he became interested in mathematics, optics, physics and astronomy. In October 1665, a plague epidemic forced the university to close and Newton returned to Woolsthorpe. The two years he spent there were an extremely fruitful time during which he began to think about gravity. He also devoted time to optics and mathematics, working out his ideas about 'fluxions' (calculus).

Friction Force


Learning media “force” is used for senior high school  at second class. This media consist of
   Opening
At the first, will be written that it explain about force and especially friction force. It explain in simple explaination, so all of the spectator can understand well, some picture that describe about force.

 Main
It consist of friction force in daily life, the usefull of friction force in daily life, kind of friction force and some application of friction force