Dec 1989 P1 Q9 (simple introductory question)
Two magnets A and B are placed with their poles as shown in the figure below.
(a) Draw arrows to show the directions of the forces exerted on the north pole of magnet A by each of the poles of magnet B.
(b) Draw arrows to show the directions of the corresponding forces exerted on the south pole of B by each of the poles of A.
(c) Draw an arrow to show the direction of the resultant force exerted by magnet B on magnet A. label the arrow with the letter R.
(d) Explain why the resultant force acts in the direction you have shown in (c).
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Answer:
(a) (b) (c)
(d) This is because like poles repel.
