p63 solutions

1. 3

2. a. C and D b. reverse poles and draw lines from N to S

3. a. yes b. no c. no d. yes

4. B

5. C

6. 5 only

7. A will swing toward the South end of the horseshoe magnet, and B will swing toward the north.

8. 1 and 2

9. a. left b. up

10. D

11. D

12. B

13. 2 and 3 (remember: although the N pole is at the bottom, at the 3 o’clock position(where the compass is) the magnetic field lines point up, and they will be lined up with the compass needle.

14. A repels