 # Physics

A Review of Plastic-Frictional Theory (Part. 1) Most of the silos and hoppers are designed after computer modeling of granular flows. Unfortunately, those modeling are based on simple depth-averaged technique, sometimes called in engineering design, slice analysis. Those modeling techniques are inadequate since they only depend on one space variable. Flowing granular materials -even highly concentrated and frictional- display complex instability in time and space, and are fundamentally unsteady and slightly compressible. Central Forces (Orbits, Scattering, etc) Table of Contents (End of Page) Introduction When my kids were little, I'd tell them about gravity and how the force between two bodies was attractive. Then we'd look up at the moon and I'd ask "what keeps it up there"? Their conclusion was that gravity must not be what I said it was! Physics Part 1 Quick Guide. Introduction When an object is either pushed or a pulled is known as a force.Motion, generated in an object, is because of an action of a force. Pressure The force, applied on a unit area of a surface is known as pressure (Pressure = force/area on which it acts).If the area is smaller, then the pressure on a surface would be greater; e.g. this is the reason that the area of one end of a nail is pointed (to exert sufficient pressure) and other end is bigger (as shown in the image given below). This envelop of air is known as the atmosphere that extends up to many kilometers above the surface of the earth.The pressure exerted by the air is known as atmospheric pressure.The pressure inside our bodies is exactly equal to the atmospheric pressure and annuls the pressure acting from outside (see the image given below).

Java Applets on Physics. Concept Maps Archives - Butterfly EduFields. Newbie Electronics Hobbyist Reference Poster Bundle. Save almost 50% than buying each individual printed posters. There’s nothing more helpful in your learning experience without having a complete set of visual assistants. These basic posters will accelerate your building blocks in learning electronics and building projects. This bundle includes the following posters: Basic Electronics Theory Cheatsheet PosterCommon Components Cheatsheet PosterSchematic Symbols Cheatsheet PosterUseful Math and Constants Cheatsheet Poster. Class 10 - ICSE Board - Mathematics, Science (Physics, Chemistry, Biology), Social Studies (Geography, History, Civics & Economics) - Study Material, Animated Videos, Summary, Questions and Answers, Wiki, References - LearnNext Online. LearnNext Lesson Video In 1827, a German physicist Georg Simon Ohm (1787–1854) formulated the relationship between the electric current I, flowing in a metallic wire and the potential difference across its terminals. Ohm’s law states that at a constant temperature, current I through a conductor between two points is directly proportional to the potential difference or voltage, V, across the two points. The Physics Classroom. Michel van Biezen.

## Electricity

Class 11 - CBSE Board - Mathematics, Science (Physics, Chemistry, Biology), Social Studies (Geography, History, Civics & Economics) - Study Material, Animated Videos, Summary, Questions and Answers, Wiki, References - LearnNext Online. Thermodynamics. Kinetic Molecular Theory of Gases - Chemistry LibreTexts. To better understand the molecular origins of the ideal gas law, ## Optics

Measurements and Error Analysis. Physics. Waves. Conservation of momentum. A / Pool balls exchange momentum. In many subfields of physics these days, it is possible to read an entire issue of a journal without ever encountering an equation involving force or a reference to Newton's laws of motion. In the last hundred and fifty years, an entirely different framework has been developed for physics, based on conservation laws. The new approach is not just preferred because it is in fashion. It applies inside an atom or near a black hole, where Newton's laws do not.

Planets orbits. The concept of energy (and the conservation of energy) is one of the most important topics in physics. Work Dot products Energy approach is simpler than. - ppt download. Energy. Types of Energy We've all had days where we've had varying amounts of energy.  This is the reason why the resultant unit is m/s and not m*rad/s. Tangential speed or tangential velocity can be defined as the linear speed of any object in motion following a circular path at any given instant of time. The direction of tangential speed can never be the same for any two instants of time for a given object in circular motion. Let us consider an object in uniform motion along a continuous path, which is defined by a locus of points equidistant from a common point O. Chapter 1. Wolfram Demonstrations Project. This Demonstration shows a free-body diagram of an object as it is just about to tip over (impending motion). In that case, the normal force acts at the far right instead of along the centerline of the object. Traj. Copyright © Michael Richmond. This work is licensed under a Creative Commons License. CIRCULAR MOTION ; GRAVITATION CH 5 - Google Slides. Forces in Two Dimensions Review - with Answers. Navigate to Answers for: Questions #1-#12 Questions #13-#21 Questions #22-#30 Part A: Drawing Free-Body Diagrams 1. Construct free-body diagrams for the following physical situations. Graphs of Motion. Introduction Modern mathematical notation is a highly compact way to encode ideas. Equations can easily contain the information equivalent of several sentences. Galileo's description of an object moving with constant speed (perhaps the first application of mathematics to motion) required one definition, four axioms, and six theorems. All of these relationships can now be written in a single equation. When it comes to depth, nothing beats an equation. Force, Mass, Acceleration. This equation is one of the most useful in classical physics. It is a concise statement of Isaac Newton's Second Law of Motion, holding both the proportions and vectors of the Second Law.

It translates as: The net force on an object is equal to the mass of the object multiplied by the acceleration of the object. Or some simply say: Force equals mass times acceleration. Angular velocity. UNPh15. School Science Lessons 2016-01-18 SP Please send comments to: J.Elfick@uq.edu.au. Physics equations/Equations. PLEASE DO NOT EDIT THIS WITHOUT FIRST POSTING ON THE TALK PAGE. See talk page for why this request in necessary. Physics - Subject Area - www.TeachEngineering.org.

## Forces

Kinematics. Energy. Momentum. Rotational motion. Math concepts. Spings. Frequently Used Equations. ⚡Presentation "Chapter 14 Lecture Presentation Oscillations © 2015 Pearson Education, Inc." Pins from acartoonguidetophysics.blogspot.nl on Pinterest. A Cartoon Guide to Physics. Standard Mechanics Problems. Labs. Homework. MIND MAP for Physics. AP Physics. Calculus: Differentials and integrals. Index of /sims. PHYS-1130 Fall 2006 Lecture Notes. Dr. Physics of Matter: Lab #9. 350.Shells. While there may be some concern that too much emphasis is being place on Newtonian physics, it is worth mentioning that general relativity has to align to Newtonian results in weak gravitational fields.

Of course, the homogeneous density of the universe might be said to align to a weak gravitational field; hence the cross reference to Birkhoff' theorem in the insets right. Principles of Physics: For Scientists and Engineers - Hafez A . Radi, John O Rasmussen. Environmental Decision Making, Science, and Technology. Science Notes: Fundamental Forces of Nature All forces in nature may be classified into four types. Everything Maths and Science. So far we have looked at two types of energy: gravitational potential energy and kinetic energy. Force, Mass, Acceleration. Classical Mechanics. Introduction The purpose of mechanics is to describe how objects change their position in space with time: motion.

## Waterfalls

The Slug as a Mass Unit. Equilibrium and Statics. PhysicsLAB: Static Equilibrium.