Forces in action
Whyman, Kathryn
Notes
Find out about different forces and how they can change things. Instructions for making a mousetrap.
Size: 9 up
upper age: 99
no information
| ISBN: | 0863133568 |
| pub: | 1985 |
| Subjects |
|---|
| PULLEYS |
| Force and energy |
| GRAVITY |
| FRICTION |