9 2 



FIG. 70. The magnet influences the mag- 

 netic needle. 



EXPERIMENT 89. THE ACTION OF MAGNETS ON EACH 



OTHER 



1. Place a delicately suspended magnetic needle on the 

 table, and determine the direction in which it always 



points. 



All magnets possess 

 the property of pointing 

 north and south when 

 freely suspended, and 

 the end which persist- 

 ently points north is 

 marked N, while the 

 end which persistently 

 points south is marked 

 6". If you will ob- 

 serve the magnet used in the preceding experiment, 

 you will see that one end is marked N and one end is 

 marked 5. 



2. Bring the end of the bar magnet marked N toward 

 the similarly marked end of the magnetic needle (Fig. 70). 

 Is the needle attracted or repelled ? 



Bring the north (N) end of the bar magnet toward the 

 S end of the magnetic needle. Is the needle attracted or 

 repelled ? 



Make a similar experiment, using the south pole cf the 

 large magnet. 



Tabulate results as follows : 



attracts 



The N pole of the magnet or the N pole of the magnetic needle, 

 repels 



(( U g (( (4 <C 



