1. Figures From Text Next Time Questions Chapter 4
Created for CVCA Physics By
Dick Heckathorn
19 October 2K + 4

2. Table of Contents 3 Fig. 4-3 p 45 Galileo’s Reasoning
4 Newton’s 1st Law
5 Fig 4-9 p 50 N -> Kg -> lb
6 Fig 4-12 p 52 Hang from Pulley
7 Fig 4-13 p 53 Scales Holding Mass
8 Fig 4-14 p 53 Scales at an Angle
9 Fig 4-15 p 54 Rope at an Angle
10 p 54 Kids on Swing
11 p 58 Hang from Pulley or Flag?
12 p 58 Tension on Bar
13 NT ? 1 Ball from Spiral Tube
14 NT ? 2 Pendulum String Cut with Ball on String
16 NT ? 3 Holding Book to Wall

5. 1 kg = 9.8 N
1 kg = 2.2 lb
1.0 lb = 4.46 N
1.0 N = 0.22 lb

15. No Friction
Find Components
Push Up with
Specific Force

16. Friction Up
Push Up with
Less Force

17. Friction
Down
Push Up with
Greater Force

18. That’s all folks!