1.This is a inclined plane. It helps us with getting from one level to another.
2.The second picture as a pin which is a wedge. We use wedges to hold up papers, keep doors open, and many more things.
3.The third picture is a lever. We use levers mainly to open things like cabinets,
doors, and lockers.
 |
| 3. |
 |
| 2. |
 |
| 1. |
No comments:
Post a Comment