1. Warm up  1. What force is required to make a 60 kg person wearing rubber shoes start sliding across wet cement?  2. What force is required to keep that person sliding at a constant velocity?

2. Review  Test  Homework Worksheet Pg 144 (1, 3, 20-23) Pg. 145 (8, 13, 26, 29, 32, 37, 39, 40)

3.  What is the weight of a 10 kg Candy bar?  What is the weight of a 200 kg Refrigerator?

4. On the moon gravity is 1/6 as strong as on earth What would the previous objects weigh on the moon?

5. Page 146 33, 34

6. Page 146  31  42  44  going farther

7. Homework