Attraction and Repulsion Between Magnets
Attraction and Repulsion Between Magnets: Overview
This topic discusses the attraction and repulsion between magnets. It explains that opposite poles of magnets attract each other, and similar poles of magnets repel each other. It is explained with the help of an activity.
Important Questions on Attraction and Repulsion Between Magnets
A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Effect observed in each case is stated in Column I. Possible reasons for the observed effects are mentioned in Column II. Match the statements given in Column I with those in Column II.
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1. Boat gets attracted towards the magnet |
a. Boat is fitted with a magnet with north pole towards its head |
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2. Boat is not affected by the magnet |
b. Boat is fitted with a magnet with a south pole towards its head |
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3. Boat moves towards the magnet if the north pole of the magnet is brought near its head |
c. Boat has a small magnet fixed along its length |
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4. Boat moves away from the magnet when the north pole is brought near its head |
d. Boat is made of magnetic material |
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5. Boat floats without changing its direction |
e. Boat is made up of non-magnetic material |
Column I show different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks:
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Column I |
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N-N |
_____ |
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S-N |
_____ |
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Repulsion |
Write any two properties of a magnet.
