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sy12_oct12_f11
sy12_oct12_f11

Laws of Motion Conservation Laws Gravity
Laws of Motion Conservation Laws Gravity

... • The angular momentum of an object cannot change unless an external twisting force (torque) is acting on it. • Earth experiences no twisting force as it orbits the Sun, so its rotation and orbit will continue indefinitely. © 2007 Pearson Education Inc., publishing as Pearson Addison-Wesley ...
Circular Motion - Manchester HEP
Circular Motion - Manchester HEP

...  Hold the wheel still and press Start from the toolbar. At the same time release the wheel to lower the suspended mass.  Let the wheel spin freely and once the 50g mass has hit the floor, allow the wheel to spin for a few seconds, then click Stop.  From File select Transfer data to Excel to open ...
Lecture 12 Conservative force, potential energy - G.
Lecture 12 Conservative force, potential energy - G.

Part31
Part31

... depends on m (the more mass the more kinetic energy) and on v2 (if you double the speed, you quadruple the kinetic energy). Also note that the kinetic energy must always be either zero or positive - it can’t be negative. (This is like cash in the money ...
Standard EPS Shell Presentation
Standard EPS Shell Presentation

...  Newton’s Third Law states that every action force creates a reaction force that is equal in strength and opposite in direction.  There can never be a single force, alone, without its actionreaction partner. ...
Name: Class: Date:______ Physics Forces Exam Part 1: Multiple
Name: Class: Date:______ Physics Forces Exam Part 1: Multiple

Additional Midterm Review Questions
Additional Midterm Review Questions

Chapter 6 Lecture Notes Formulas: W = F    d = Fd cosθ K ≡ (1/2
Chapter 6 Lecture Notes Formulas: W = F d = Fd cosθ K ≡ (1/2

Physics Definition
Physics Definition

... two forces: F1 = 13N, west of north with a 60o angle and F2 = 11N, east of north with a 30o angle. These two forces are applied by two men pushing the block of ice against the table. Think about the direction of the forces. Find (a) The ice’s acceleration. (b) the normal force exerted on it by the t ...
Physical Principles Handout
Physical Principles Handout

... We can rewrite Newton’s second law in a more familiar form knowing that ...
torque
torque

... An engineer wishes to design a curved exit ramp for a toll road in such a way that a car will not have to rely on friction to round the curve without skidding. She does so by banking the road in such a way that the force causing the centripetal acceleration will be supplied by the component of the ...
14.2 Newton`s second law and gravity
14.2 Newton`s second law and gravity

Transformations and Conservation
Transformations and Conservation

Midterm Exam 3
Midterm Exam 3

... 8. A package of mass m is release from rest at a warehouse loading dock and slides down a 3.0 m high frictionless chute to a waiting truck. Unfortunately, the truck driver went on a break without having removed the previous package, of mass 2m, from the bottom of the chute. (a) Suppose the packages ...
Unit 6: Motion and Forces
Unit 6: Motion and Forces

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Lecture 7.1

Review - Physics
Review - Physics

Oscillations and Periodic Motion
Oscillations and Periodic Motion

Lecture 3
Lecture 3

Newton`s Laws Newton`s 1st Law Newton`s 2nd Law of Motion
Newton`s Laws Newton`s 1st Law Newton`s 2nd Law of Motion

... A magician tells you that he is going to throw a ball at a certain speed so that it: travels for awhile, comes to a complete stop, and returns to his hand at the same speed that he threw it (but in the opposite direction). All of this, without having the ball bounce off of anything and with nothing ...
Newton`s Laws
Newton`s Laws

... When we say that the acceptable units for force and mass are the newton and the kilogram, we are referring to their use in physical formulas. ( Such as F = m a) The centimeter, the millimeter, the milligram, the mile, and the inch may be useful occasionally in describing quantities. But they should ...
Newton`s 2nd Law
Newton`s 2nd Law

... For example, weight (force of gravity) for 1 kg is ( 9.8 Newtons ) = ( 1 kg ) X ( 9.8 m/s2 ) ...
Newton's Laws - Refugio High School
Newton's Laws - Refugio High School

... When we say that the acceptable units for force and mass are the newton and the kilogram, we are referring to their use in physical formulas. ( Such as F = m a) The centimeter, the millimeter, the milligram, the mile, and the inch may be useful occasionally in describing quantities. But they should ...
Energy of a Tossed Ball - RAHS AP PHYSICS 1 Page
Energy of a Tossed Ball - RAHS AP PHYSICS 1 Page

... When a juggler tosses a bean ball straight upward, the ball slows down until it reaches the top of its path and then speeds up on its way back down. In terms of energy, when the ball is released it has kinetic energy, KE. As it rises during its free-fall phase it slows down, loses kinetic energy, an ...
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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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