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03_E2_ws2_key
03_E2_ws2_key

... 3. Calculate the gravitational potential difference between: a) point A and the base of the hill GP = gh = (10N/kg)-100m = -1000J/kg b) point B and the base of the hill GP = gh = (10N/kg)-200m = -2000J/kg c) point C and point A GP = gh = (10N/kg) 0m = 0 d) point C and point E GP = gh = (10N/kg)2 ...
Fundamental of Physics
Fundamental of Physics

Physics 10 Sample Midterm #1a: The Tempest
Physics 10 Sample Midterm #1a: The Tempest

... 13) Describe at least two other process, likely to happen on a typical day on the island, in which one form of energy is converted into another. For each process, specify which form of energy is being lost and which form is being gained. ...
Coulomb`s Law
Coulomb`s Law

Determining the Pop Time of a Toy Popper – LabQuest
Determining the Pop Time of a Toy Popper – LabQuest

Practice_Exercise
Practice_Exercise

... plate below the positive plate. The plates carry charges of +/-20C, are separated by a distance of 4m and have an area of 0.1m2. An object with a mass of 1.5kg and carrying a charge of 5C is ejected vertically upward from the negative plate with an initial velocity of 25m/s. A) Will it reach the u ...
PHY 101 Lecture Notes
PHY 101 Lecture Notes

The Einstein – Lorentz Dispute Revisited
The Einstein – Lorentz Dispute Revisited

Acceleration and free fall
Acceleration and free fall

Becoming an expert teacher: Novice physics teachers` development
Becoming an expert teacher: Novice physics teachers` development

... go. Once you let go there is only one force acting downwards on the ball and that is gravity. The initial throw gives the ball upward movement. Gravity is opposing the movement, so it slows down, stop, then speed up as it falls back to earth” ...
Kinetic Energy and Work - UCF College of Sciences
Kinetic Energy and Work - UCF College of Sciences

A2 Fields Part I - Animated Science
A2 Fields Part I - Animated Science

Phys 325 Discussion 2 – Drag Force Intuition
Phys 325 Discussion 2 – Drag Force Intuition

... The origin of the quadratic drag force on any projectile in a fluid is the inertia of the fluid that the projectile has to push as it moves forward. (a) Assuming the projectile has a speed v and a cross-sectional area A (i.e. the area perpendicular to its velocity), and that the fluid through which ...
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electric field

Chapter 30 Maxwell`s Equations and Electromagnetic Waves
Chapter 30 Maxwell`s Equations and Electromagnetic Waves

PHYSICS HOMEWORK #31 NEWTON`S LAWS SECOND LAW ΣF=ma
PHYSICS HOMEWORK #31 NEWTON`S LAWS SECOND LAW ΣF=ma

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Free Body Diagrams

... Pin – Replace with two reaction forces; one vertical and one horizontal Roller – Replace with one reaction force perpendicular to surface Built-in-end (cantilever) – Replace with one horizontal force, one vertical force, and one ...
MS Word
MS Word

... The preceding experiments suggest another law of motion, now known as Newton’s Third Law. This law can be stated as follows. Whenever one object exerts a force on another object, the second object exerts a force back on the first one that is equal in magnitude to the first but opposite in direction ...
List of Required Definitions
List of Required Definitions

Forces - faculty at Chemeketa
Forces - faculty at Chemeketa

... C. Equal to This is a Newton’s second law situation for each of the blocks. Block A will accelerate to the right and block B will accelerate down. The net force on B must be down by Newton’s second law. The tension force exerted by the rope on block B must be less than the weight force exerted by th ...
Review of GAGUT.doc - Mathematics Department of SUNY Buffalo
Review of GAGUT.doc - Mathematics Department of SUNY Buffalo

Magnetic Force on a Current-Carrying Wire – Warm Up
Magnetic Force on a Current-Carrying Wire – Warm Up

... Keeping the conductor unchanged, vary the current (do not exceed 4.5 A!). Record your data and answer the questions that follow. 1. Before you turn on the power supply, trace the direction of current in the conductor by observing that current should flow from the positive terminal to the negative te ...
General Instructions
General Instructions

... The average speed of a car travelling from Lake Macquarie to Sydney, a distance of 130 km, was 88 km h-1. The journey consisted of 100 km of freeway plus a 30 km drive through the city, which included some 40 sets of traffic lights. Describe two significant features of the journey in terms of the ca ...
WORK - Orizzonte Scuola
WORK - Orizzonte Scuola

Force as an Interaction
Force as an Interaction

... System: A system is the object of interest that we choose to analyze. Make a sketch of the process that you are analyzing. Then circle the object of interest – your system. Everything outside that system is called the environment and consists of objects that might interact with and affect the system ...
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Gravity

Gravity or gravitation is a natural phenomenon by which all things with mass are brought towards (or 'gravitate' towards) one another including stars, planets, galaxies and even light and sub-atomic particles. Gravity is responsible for the complexity in the universe, by creating spheres of hydrogen, igniting them under pressure to form stars and grouping them into galaxies. Without gravity, the universe would be an uncomplicated one, existing without thermal energy and composed only of equally spaced particles. On Earth, gravity gives weight to physical objects and causes the tides. Gravity has an infinite range, and it cannot be absorbed, transformed, or shielded against.Gravity is most accurately described by the general theory of relativity (proposed by Albert Einstein in 1915) which describes gravity, not as a force, but as a consequence of the curvature of spacetime caused by the uneven distribution of mass/energy; and resulting in time dilation, where time lapses more slowly in strong gravitation. However, for most applications, gravity is well approximated by Newton's law of universal gravitation, which postulates that gravity is a force where two bodies of mass are directly drawn (or 'attracted') to each other according to a mathematical relationship, where the attractive force is proportional to the product of their masses and inversely proportional to the square of the distance between them. This is considered to occur over an infinite range, such that all bodies (with mass) in the universe are drawn to each other no matter how far they are apart.Gravity is the weakest of the four fundamental interactions of nature. The gravitational attraction is approximately 10−38 times the strength of the strong force (i.e. gravity is 38 orders of magnitude weaker), 10−36 times the strength of the electromagnetic force, and 10−29 times the strength of the weak force. As a consequence, gravity has a negligible influence on the behavior of sub-atomic particles, and plays no role in determining the internal properties of everyday matter (but see quantum gravity). On the other hand, gravity is the dominant force at the macroscopic scale, that is the cause of the formation, shape, and trajectory (orbit) of astronomical bodies, including those of asteroids, comets, planets, stars, and galaxies. It is responsible for causing the Earth and the other planets to orbit the Sun; for causing the Moon to orbit the Earth; for the formation of tides; for natural convection, by which fluid flow occurs under the influence of a density gradient and gravity; for heating the interiors of forming stars and planets to very high temperatures; for solar system, galaxy, stellar formation and evolution; and for various other phenomena observed on Earth and throughout the universe.In pursuit of a theory of everything, the merging of general relativity and quantum mechanics (or quantum field theory) into a more general theory of quantum gravity has become an area of research.
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