Homework 2
Due in class (1:00pm) on Thursday of Week 3 (Jan. 23, 2003)
Textbook Problems, Chapter 1
Conceptual Questions (p. 20): 7, 9
Problems (p. 21): 12, 14, 21, 24, 32, 42
Brief Answers
Chapter 1: Conceptual Questions
7. See solutions on reserve in library.
9. A=D; A & B are equal in magnitude and opposite in direction; A & D are equal in magnitude and opposite in direction; B & C are in the same direction but have different magnitudes.

Chapter 1: Problems
12. 6.84 degrees
14. 5.5 km
21. 200 N due east or 600 N due west
24. 25.3 cm
32. 198 N at an angle of 41 degrees above the horizontal
42. 4790 N at an angle of 67.2 degrees south of east