In some pencil boxes, the lid fits tightly when we close it even without a locking arrangement. Why does it happen so?

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

In some pencil boxes, the lid fits tightly when we close it even without a locking arrangement because such pencil boxes have magnets fitted inside them.

Answered by  | 4th Jun, 2014, 03:23: PM