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Mechanics - akamdiplomaphysics
Mechanics - akamdiplomaphysics

Midterm Exam Review
Midterm Exam Review

Kinetic Energy and Work
Kinetic Energy and Work

Motion Velocity Net Force Sliding Friction Speed Rolling Friction
Motion Velocity Net Force Sliding Friction Speed Rolling Friction

Entropic origin of the fundamental forces
Entropic origin of the fundamental forces

Newton`s Second Law: Push or Pull
Newton`s Second Law: Push or Pull

... property called “inertia”) and it has the property of gravitation, which means that matter is attracted to other matter. All objects, no matter what their mass, have the same free-fall acceleration at a given location. The more mass, the more gravitational force; but the more mass, the more difficul ...
solutions
solutions

Friction, Inclines and Multi
Friction, Inclines and Multi

μ = μ =
μ = μ =

Physics 880.06: Problem Set 6
Physics 880.06: Problem Set 6

Vectors Part II
Vectors Part II

b. 4 m/s 2
b. 4 m/s 2

... same diameter are dropped at the same time. In the absence of air resistance, which ball has the greater acceleration? a. The steel ball b. The tennis ball c. They both have the same acceleration. ...
Electrostatics
Electrostatics

Force, Mass and Momentum
Force, Mass and Momentum

INTERACTIONS, SYSTEMS, AND POTENTIAL ENERGY Systems
INTERACTIONS, SYSTEMS, AND POTENTIAL ENERGY Systems

... Gravitational Interactions and Potential Energy In the late 16th and early 17th centuries Galileo did much of the important early work on the motion of falling objects, showing that they speed up as they fall. Though seemingly unrelated, the next important step was the work of Kepler, who developed ...
Additional vector practice problems
Additional vector practice problems

Unit 2: Motion and Force in One Dimension
Unit 2: Motion and Force in One Dimension

AQA-PA04-A-W-QP
AQA-PA04-A-W-QP

... Time allowed: The total time for Section A and Section B of this paper is 1 hour 30 minutes ...
Fall 2005 MC Final Review
Fall 2005 MC Final Review

... 34. A bullet is aimed at a target on the wall a distance L away from the firing position. Because of gravity, the bullet strikes the wall a distance y below the mark as suggested in the figure. Note: The drawing is not to scale. If the distance L were half as large, and the bullet had the same init ...
CE-PHY II - MECHANICS
CE-PHY II - MECHANICS

Physics 880.06: Problem Set 6
Physics 880.06: Problem Set 6

LAHS Physics - LAPhysics.com
LAHS Physics - LAPhysics.com

... 34. A bullet is aimed at a target on the wall a distance L away from the firing position. Because of gravity, the bullet strikes the wall a distance y below the mark as suggested in the figure. Note: The drawing is not to scale. If the distance L were half as large, and the bullet had the same init ...
work done - Sackville School
work done - Sackville School

Centripetal Force
Centripetal Force

... A car travels at a constant speed around two curves. Where is the car most likely to skid? Why? ...
Chapter 5: Forces in Two DImensions
Chapter 5: Forces in Two DImensions

... different place in the living room. If you push with a force of 65N and the bookcase accelerates at 0.12m/s2, what is the coefficient of kinetic friction between the bookcase and the carpet? ...
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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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