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Profile Documents Logout
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Physphax Review
Physphax Review

File - Mrs. Phillips` Physical Science Webpage
File - Mrs. Phillips` Physical Science Webpage

... action there is an equal and opposite reaction; All forces come in pairs Push on a wall, it pushes back  Airplanes push air out of the engines, the air pushes the plane forward ...
Newton`s laws of motion
Newton`s laws of motion

Newtonian Mechanics * Momentum, Energy, Collisions
Newtonian Mechanics * Momentum, Energy, Collisions

Brief review of Newtonian formalism 1 Newton`s Laws of Motion 2
Brief review of Newtonian formalism 1 Newton`s Laws of Motion 2

MS-Word format
MS-Word format

... The mass m moves vertically in response to the superposition of two forces, gravity mg (g = 9.8 m/s2) in the downward direction, and an upward normal force N exerted by the ground on the foot. Thus by Newton’s second law, the vertical component of its velocity vy obeys the equation: mdvy/dt = N – mg ...
8A Quick Quiz - Grade10ScienceISZL
8A Quick Quiz - Grade10ScienceISZL

... Gravity is the force of ____________ between _____________. Between objects on Earth, it is a______________ force, but if the mass is very, very ____________ as with a planet or a star, the gravity can be very ____________. The region where a gravitational force can be felt is often referred to as a ...
Section 5.1 Work
Section 5.1 Work

... A person doing a chin-up weighs 700 N, exclusive of the arms. During the first 25.0 cm of the lift, each arm exerts an upward force of 355 N on the torso. If the upward movement starts from rest, what is the person’s velocity at that point? ...
Lab 7: Conservation of Mechanical Energy
Lab 7: Conservation of Mechanical Energy

Kinematics Multiples
Kinematics Multiples

Work, Energy, Power ppt
Work, Energy, Power ppt

... used to do a task with less work than would be needed to do the task without the machine. They do not! In fact (mainly because of friction), you actually do more work with a machine than without it (for the same task). The major benefit of a machine is that the work can be done with less applied for ...
Momentum Conservation
Momentum Conservation

... Two balls fall at the same rate due to gravity, but with different momenta. ...
Newton`s Laws - Issaquah Connect
Newton`s Laws - Issaquah Connect

... Net force – a combination of all of the forces acting on an object Newtons – scientific unit for force Representing forces Forces are vectors that can be represented using arrows showing direction and magnitude (how much) Equilibrium for forces at rest (Static equilibrium) When equal but opposite fo ...
PRACTICE FINAL EXAM Multiple Choice
PRACTICE FINAL EXAM Multiple Choice

stphysic - The Skeptic Tank
stphysic - The Skeptic Tank

Why do things move?
Why do things move?

AP Physics - eLearning
AP Physics - eLearning

... e. both objects will stop at the same time because the angular accelerations are equal. ...
Force, Mass and Momentum
Force, Mass and Momentum

Exam 1 with answer
Exam 1 with answer

Newton’s Laws of Motion
Newton’s Laws of Motion

... The First Law states that all objects have inertia. The more mass an object has, the more inertia it has (and the harder it is to change its motion). So, which has more inertia? A bowling ball or a baseball? ...
43 KB - KFUPM Resources v3
43 KB - KFUPM Resources v3

energy - Parrott
energy - Parrott

No Slide Title
No Slide Title

... used to do a task with less work than would be needed to do the task without the machine. They do not! In fact (mainly because of friction), you actually do more work with a machine than without it (for the same task). The major benefit of a machine is that the work can be done with less applied for ...
Chapter 2 - Motion in One Dimension
Chapter 2 - Motion in One Dimension

Atmospheric Dynamics
Atmospheric Dynamics

... The volume of a lake freighter hull is V = 300 m X 30 m X 20 m = 1.8 x 105 m3. If the density of lake water is 1000 kg m-3, what is the buoyancy force acting on the ship if it is nearly submerged (i.e. the water line is at the deck)? What is the cargo capacity, assuming the mass of the ship is negli ...
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Relativistic mechanics

In physics, relativistic mechanics refers to mechanics compatible with special relativity (SR) and general relativity (GR). It provides a non-quantum mechanical description of a system of particles, or of a fluid, in cases where the velocities of moving objects are comparable to the speed of light c. As a result, classical mechanics is extended correctly to particles traveling at high velocities and energies, and provides a consistent inclusion of electromagnetism with the mechanics of particles. This was not possible in Galilean relativity, where it would be permitted for particles and light to travel at any speed, including faster than light. The foundations of relativistic mechanics are the postulates of special relativity and general relativity. The unification of SR with quantum mechanics is relativistic quantum mechanics, while attempts for that of GR is quantum gravity, an unsolved problem in physics.As with classical mechanics, the subject can be divided into ""kinematics""; the description of motion by specifying positions, velocities and accelerations, and ""dynamics""; a full description by considering energies, momenta, and angular momenta and their conservation laws, and forces acting on particles or exerted by particles. There is however a subtlety; what appears to be ""moving"" and what is ""at rest""—which is termed by ""statics"" in classical mechanics—depends on the relative motion of observers who measure in frames of reference.Although some definitions and concepts from classical mechanics do carry over to SR, such as force as the time derivative of momentum (Newton's second law), the work done by a particle as the line integral of force exerted on the particle along a path, and power as the time derivative of work done, there are a number of significant modifications to the remaining definitions and formulae. SR states that motion is relative and the laws of physics are the same for all experimenters irrespective of their inertial reference frames. In addition to modifying notions of space and time, SR forces one to reconsider the concepts of mass, momentum, and energy all of which are important constructs in Newtonian mechanics. SR shows that these concepts are all different aspects of the same physical quantity in much the same way that it shows space and time to be interrelated. Consequently, another modification is the concept of the center of mass of a system, which is straightforward to define in classical mechanics but much less obvious in relativity - see relativistic center of mass for details.The equations become more complicated in the more familiar three-dimensional vector calculus formalism, due to the nonlinearity in the Lorentz factor, which accurately accounts for relativistic velocity dependence and the speed limit of all particles and fields. However, they have a simpler and elegant form in four-dimensional spacetime, which includes flat Minkowski space (SR) and curved spacetime (GR), because three-dimensional vectors derived from space and scalars derived from time can be collected into four vectors, or four-dimensional tensors. However, the six component angular momentum tensor is sometimes called a bivector because in the 3D viewpoint it is two vectors (one of these, the conventional angular momentum, being an axial vector).
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