=====
Spring 2008  Phys 5A  2/25  Lecture 1.13  50 minutes
=====
"Force is all-conquering, but its victories are
short-lived."
--Abraham Lincoln

TODAY (*.pdf)
Clicker homework

Chs. 4.2, 4.3: Newton's First and Second Laws
     "Newton's law flowcharts" (*.pdf)
     Ex: Problem 4.22(a) (elevator weighs 2.479 x 10^4 N)

NEXT TIME
Homework
     Comprehensive Problem 3.74(c)
     Problems 4.24 (stone weighs 19.6 N) 
              4.25 (for practice only)
              4.26 (auto weighs 1.37 x 10^4 N)
     Read Chs. 4.5-4.7, "Master the Concepts" box on p. 128
          (ID/recognize w, N, f_s, f_k, T for credit)