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Physics – branch of science that studies matter [9] and its motion through space and time, along with related concepts such as energy and force. [10] Physics is one of the "fundamental sciences" because the other natural sciences (like biology, geology etc.) deal with systems that seem to obey the laws of physics. According to physics, the ...
Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. [1] [2] Modern science is typically divided into two or three major branches: [3] the natural sciences (e.g., physics, chemistry, and biology), which study the physical world; and the behavioural sciences (e.g., economics, psychology, and sociology ...
An outline, also called a hierarchical outline, is a list arranged to show hierarchical relationships and is a type of tree structure. An outline is used [1] to present the main points (in sentences) or topics of a given subject. Each item in an outline may be divided into additional sub-items.
The federal government of the United States (U.S. federal government or U.S. government) [a] is the common government of the United States, a federal republic located primarily in North America, comprising 50 states, five major self-governing territories, several island possessions, and the federal district (national capital) of Washington, D.C ...
Physics was transformed by the discoveries of quantum mechanics, relativity, and atomic theory at the beginning of the 20th century. Physics today may be divided loosely into classical physics and modern physics. Detailed articles on specific topics are available through the Outline of the history of physics.
All India Secondary School Examination, commonly known as the class 10th board exam, is a centralized public examination that students in schools affiliated with the Central Board of Secondary Education, primarily in India but also in other Indian-patterned schools affiliated to the CBSE across the world, taken at the end of class 10. The board ...
Donald Trump was threatening to send Meta CEO Mark Zuckerberg to prison “for life” if he interfered in the election just a few short months ago—but come Thanksgiving, the bad blood appears ...
Energy – in physics, this is an indirectly observed quantity often understood as the ability of a physical system to do work on other physical systems. [ 1 ] [ 2 ] Since work is defined as a force acting through a distance (a length of space), energy is always equivalent to the ability to exert force (a pull or a push) against an object that ...