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Force between magnets


Magnets exert forces and torques on each other due to the complex rules of electromagnetism. The forces of attraction field of magnets are due to microscopic ...

Q & A: Gravity vs. Magnetism | Department of Physics | University of ...


Some of those 'non-magnetic' things are attracted to magnets and others are .... the opposite direction of other mass particles and thus causes the two masses to ... With regard to gravity, the standard theory (General Relativity) describes a ..... A good question is "why the differences in attraction/repulsion among the fo...

Chapter 24: Magnetic Fields


between magnets, both attraction and repulsion, occur not only when the magnets touch ..... current-carrying wire does not completely describe the direction because the force can be ... Section 24.2 Forces Caused by Magnetic Fields. 653. F.

How do magnets work? - Magnet Man


Could you describe it like trying to push two tennis balls together? ... the force of attraction or repulsion varies inversely with the distance squared .... The application of an external magnetic field causes the magnetism in the domains to become ...

Physics4Kids.com: Electricity & Magnetism: Electric Fields


An electric field describes the funky area near any electrically-charged object. ... changes in the PE of the objects, and generates forces of repulsion or attraction.

Repulsive force (magnetism) | Article about Repulsive force ...

encyclopedia2.thefreedictionary.com/Repulsive force (magnetism)

Every magnet has two points, or poles, where most of its strength is ... The law states that the force of attraction or repulsion between two magnetic poles is directly .... It describes the use of ferromagnetic materials to control the flux paths in a .... in terms of changes in flux with time [Eq. (1)], caused either by motion relati...

Magnets and Magnetism, the Magnetic Field - Splung .com physics


The Ching Tsung Yao describes how iron can be magnetised by heating and ... Magnets attract iron rich materials and like poles and the repulsion between like poles .... magnetisation is produced which causes repulsion instead of attraction.

electromagnetism - How does a magnetic field cause objects to ...


Jul 8, 2014 ... how opposite magnetic fields cause physical objects to actually move ... magnet. The magnetic field direction goes from the north pole to the ... Whenever two bodies feel attraction or repulsion, they mutually attract or repel each other. ... in which he describes it perfectly for an uneducated mind like mine.

All About Magnets - Home Science Tools


Learn about magnetism and how magnets attract and repulse each other in this science ... Question: 'What causes the poles of a magnet to be opposites?' Answer: ... What does this tell us about magnetic attraction? ... Attraction and Repulsion.

NASA's Cosmicopia -- Ask Us - General Physics - Electricity and ...


Oct 31, 2008 ... The sources of magnetic fields are electrical currents, caused by moving .... in classical physics describes the attraction or repulsion between two currents. ... You can, instead, place the boots with their magnets in place on a ...

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Q: What is a magnetic field? | Ask a Mathematician / Ask a Physicist


Nov 3, 2010 ... This electric repulsion is always greater than the magnetic attraction, so the ... To get the magnets of your childhood (some of our childhoods) all you have to do is .... a book i have describes the direction magnetic field at a point as the .... forms of matter are distorted in ways that cause the effects of relativity...

What is Magnetism? | Magnetic Fields & Magnetic Force - Live Science


Jul 28, 2015 ... Iron filings attracted to a horseshoe magnet show the magnetic field. ... the force caused by magnets, objects that produce fields that attract ... (In theory, because of their mutual repulsion, one can be levitated above the other.).

magnetism | physics | Britannica.com


Mar 21, 2016 ... One end of the magnet is called a north pole and the other end a south pole. ... (A magnetic dipole may be thought of as a tiny bar magnet.