Table of Contents
- 1 How do you find the magnetic force between two magnets?
- 2 What is the rule about what happens when the poles of two magnets are brought together?
- 3 How do you check the polarity of a magnet with a compass?
- 4 How do you calculate magnetic pull force?
- 5 How do you identify a magnetic field?
- 6 How does the north pole of a magnet respond to the poles of the other magnets?
How do you find the magnetic force between two magnets?
The most elementary force between magnets is the magnetic dipole–dipole interaction. If all of the magnetic dipoles that make up two magnets are known then the net force on both magnets can be determined by summing up all these interactions between the dipoles of the first magnet and that of the second.
What are two tools you can use to detect a magnetic field?
A compass can detect a magnetic field and show its direction. Iron filings can show the shape of a magnetic field. A gaussmeter can detect a field and indicate its strength.
What is the rule about what happens when the poles of two magnets are brought together?
The arrows always start at the magnet’s north pole and point towards its south pole. When two like-poles point together, the arrows from the two magnets point in OPPOSITE directions and the field lines cannot join up. So the magnets will push apart (repel). Image credit: Author provided.
How can you determine the polarity of unlabeled magnet?
Take a labeled magnet. Brought North pole of this labeled magnet near an unlabeled magnet, if it attracts the unlabeled magnet then the end of the magnet will be North pole, so label it. If there is repulsion between the two magnets then it will be the south pole.
How do you check the polarity of a magnet with a compass?
Make sure that one flat side of the magnet is facing the compass. Observe the needle of the compass. The South end of the point will indicate the North Pole of your magnet. The North end of the point will indicate the South Pole of your magnet.
How do you measure magnetic force?
Magnets come in many strengths, and you can use a gauss meter to determine the strength of a magnet. You can measure the magnetic field in teslas or the magnetic flux in webers or Teslas • m2 (“tesla square meters”).
How do you calculate magnetic pull force?
The grade of the metal, surface condition and angle of pull all have an impact on the pull strength.
- Magnetic pull force equation/formula: F = m x a.
- Influence Factor of Magnetic Pull Force.
- MAXIMUM ENERGY PRODUCT.
- REMANENCE.
- COERCIVITY.
- PULL GAP CURVE.
How do you measure the magnetic field of a magnet?
- Put a material in a magnetic field.
- Run a current through this material.
- The magnetic field will create a “sideways” change in electric potential across the material – which you can measure.
- Using this change in potential and the size of the material, you get the magnitude of the magnetic field.
How do you identify a magnetic field?
A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction of the Earth’s magnetic field, or the magnetic field of a magnet.
What rules determine whether magnets will attract or repel each other?
Every magnet has both a north and a south pole. When you place the north pole of one magnet near the south pole of another magnet, they are attracted to one another. When you place like poles of two magnets near each other (north to north or south to south), they will repel each other.
How does the north pole of a magnet respond to the poles of the other magnets?
How does the north pole of a magnet respond to the poles of other magnets? It attracts the south pole and repels the north pole. The north pole of a strong magnet is dragged down an iron nail from the top to the point 50 times.
https://www.youtube.com/watch?v=QChYE2xNmBU