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Physics Review
Physics Review

... to the mass of the objects and the distance between them. The more mass an object has, the greater the gravitational force it exerts. The moon has less mass than Earth. The resulting lower gravitational force made the astronauts appear nearly “weightless” as they moved across the lunar surface. One ...
sample_test2
sample_test2

Slide 1
Slide 1

... • Velocity changes when one or both of the following change: 1) speed 2) direction • Velocity is measured in m/s or km/hr plus direction. v = d/t + direction • d = distance t= time • Reference point is something that a moving object’s position is compared to. ...
Work done (J) - MrSimonPorter
Work done (J) - MrSimonPorter

... Ft = mv – mu The quantity Ft is called the impulse, and of course mv – mu is the change in ...
Physics 141H Homework Set #3 Chapter 3: Multiple
Physics 141H Homework Set #3 Chapter 3: Multiple

... 27) They may measure different velocities if the frames are moving with respect to one another. Since the acceleration is the same in all inertial frames, and the mass is a property of the object itself and not the reference frame, both observers will measure the same force acting on the object. 34) ...
High School Physics
High School Physics

Skill Sheet 5.1 Isaac Newton
Skill Sheet 5.1 Isaac Newton

... ushered in the blossoming of Newton’s genius. He returned to Lincolnshire and spent the next two years in solitary academic pursuit. During this period, he made significant advances in calculus, worked on a revolutionary theory of the nature of light and color, developed early versions of his three ...
General relativity and Its applications - UoN Repository
General relativity and Its applications - UoN Repository

Motion in one and two dimensions
Motion in one and two dimensions

... All motions are relative.The motion (velocity) of an object depends on which frame of reference is used to measure it. We say the measured velocity is relative to the chosen frame of reference. Usually the ground is the preferred choice as the reference frame and very often it is not specifically me ...
ConcepTest 4.1a Newton`s First Law I 1) there is a net force but the
ConcepTest 4.1a Newton`s First Law I 1) there is a net force but the

... continued moving forward, which was its initial state of motion, and therefore it slid forward off the seat. Follow-up: What is the force that usually keeps the book on the seat? ...
chapter 04
chapter 04

Newton`s Second Law - VOS Instrumenten bv
Newton`s Second Law - VOS Instrumenten bv

Ch. 29/30 Practice Test — Solution
Ch. 29/30 Practice Test — Solution

... B should increase linearly up to r ≤ a, be inversely proportional for a ≤ r ≤ b, and decrease (concave up) until it reaches 0 at r = c. ~ are perpendicular, FB = qvB. Substituting B found in part a.i, FB = i. Since ~v and B qvµ0 I 2πr . ii. Toward the center. The answer would not change. Since the n ...
3. Newton`s laws
3. Newton`s laws

Contact Improvisation: Concepts of Physics Transformed into Art
Contact Improvisation: Concepts of Physics Transformed into Art

1 Experiment 4 Uniform velocity and uniformly accelerated motion In
1 Experiment 4 Uniform velocity and uniformly accelerated motion In

FA#5--Rotational Dynamics I FA#5
FA#5--Rotational Dynamics I FA#5

... frictional force is applied at a point 40 cm from the chair’s rotation axis, in the direction that causes the greatest angular acceleration. If that angular acceleration is 1.8 rad/s2, what is the total moment of inertia about the axis of you and the chair? ...
do physics online space gravitational potential energy
do physics online space gravitational potential energy

AP B MC Midterm Answers 2004
AP B MC Midterm Answers 2004

Newton`s 1 st Law
Newton`s 1 st Law

Teacher Toolkit Topic: Free Fall and Acceleration of Gravity
Teacher Toolkit Topic: Free Fall and Acceleration of Gravity

Review - Worth County Schools
Review - Worth County Schools

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Part 1

... B.  The vector sum of all forces in a problem C.  The vector sum of all forces acting on an object D.  The vector force applied by a net E.  The vector sum of all forces that add up to zero ...
Friction - De Anza College
Friction - De Anza College

Work Done by a Constant Force
Work Done by a Constant Force

... property that the work done in moving a particle between two points is independent of the path taken…only matters on initial and final positions. ie; Gravity & spring force. A non-conservative force is a force with the property that the work done in moving a particle between two points DOES depend o ...
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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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