Exercises
|
Page |
Problems |
Category |
Hints |
|
162 |
9 |
Work: Constant Force |
Consider using Newton's second law... |
|
11 |
Work: Varying Force |
Perhaps an area under the graph approach... |
|
|
16, 17 |
Kinetic Energy: Work-Energy Principle |
The principle combined with some simple algebra... |
|
|
163 |
26 |
Potential Energy |
Elastic potential energy... |
|
35, 38 |
Conservation of Mechanical Energy |
35. Free-body diagram 38. Simple algebra |
|
|
164 |
48 |
Law of Conservation of Energy |
Apply law to child, consider the work converted into thermal energy |
|
58 |
Power |
Simple algebra and knowledge of power |