Concept explainers
To Draw: A small bar magnet and a nail in the magnetic field.
The reason for the nail to be pulled towards the bar magnet.
Explanation of Solution
Introduction:
A magnet is a material in which domains are aligned in one direction and so, it is able to attract other magnetic materials. The magnetic field around a magnet is a region where the magnet has an influence. The field lines are imaginary lines that represent the force field around the magnet. Magnetic field lines arise from the north pole and enter into the south pole.
  
Closer to the bar magnet, the nail experiences an attractive force at its one end as it is in close proximity to the field, while the other end experiences a repulsive force as shown in the figure above.
Conclusion:
Nickel, Cobalt and Iron are the three most common ferromagnetic materials.
Chapter 24 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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