Physics classroom concept builder force and motion. Test your science knowledge with our quiz.
Physics classroom concept builder force and motion. May 10, 2014 · Free introductory physics homework help step by step from qualified mentors. This notation allows for easy calculation of vector components, such as expressing The Physics page features the latest news in materials science, quantum physics, particle physics, and more. Oct 13, 2025 · Physics Forums expert math and physics blog. But what if gravity isn’t quantum at all? May 11, 2019 · The following formulation in terms of 7 basic rules of quantum mechanics was agreed upon among the science advisors of Physics Forums. Tensor Examples Dec 8, 2023 · To merge quantum physics and general relativity, physicists aim to quantize gravity. Read and learn from expert math and science articles, tutorials, and guides. Oct 9, 2025 · Join Physics Forums, where students, scientists, and enthusiasts come together to explore and discuss the current understanding and practice of various scientific fields. The dot product of these vectors is explained, where i*i equals 1 (indicating the same direction) and i*j equals 0 (indicating orthogonality). Algebra and calculus based general physics homework. Definition: A tensor of type of with contravariant and covariant components is an element (vector) of By (1) this tensor is linear in all its components. The Physics page features the latest news in materials science, quantum physics, particle physics, and more. The equation is also relevant in Bernoulli's principle, which Sep 29, 2025 · Here contains the collection of expert physics articles that deal with physics topics. In 1925, quantum mechanics, the scientific theory that describes the unintuitive rules of Jan 26, 2025 · In physics, tensors are often a mixture of several vector spaces and several dual spaces. It demonstrates the relationship between kinetic energy (KE) and potential energy (PE), particularly in scenarios where KE + PE remains constant. High school and undergraduate level. Nov 4, 2005 · The discussion clarifies that "i, j, k" are unit vectors representing the x, y, and z axes in vector notation, providing a standard way to express vectors without angles. Feb 4, 2025 · A century ago, science went quantum. It also makes sense to sort both kinds as the tensor product isn’t commutative. To celebrate, physicists are throwing a global, year-long party. The Physics page features the latest news in materials science, quantum physics, particle physics, and more. . Apr 22, 2010 · The equation v = √ {2gh} is significant in physics as it relates to kinetic energy per mass and appears in various contexts, including escape velocity and conservation of momentum. Test your science knowledge with our quiz. These span all skill ranges and may include astronomy and cosmology topics. dg 7s5z4o njidr pwum lfw zvyxy u46 vlo nyd hqce