Try to push a nail into a wooden plank by its head. Did you succeed? Trey now to push the nail by the pointed end (Fig.11.12). Could you do it this time? Try cutting vegetables with a blunt and a sharp knife. Which is easier? Do you get the feeling that the area over which the force is appied (for example, the pointed end of the nail) plays a role in making these tasks easier?

Try to push a nail into a wooden plank by its head. Did you succeed? T

1.	Try to push a nail into a wooden plank by its head. Did you succeed? Trey now to push the nail by the pointed end (Fig.11.12). Could you do it this time? Try cutting vegetables with a blunt and a sharp knife. Which is easier? Do you get the feeling that the area over which the force is appied (for example, the pointed end of the nail) plays a role in making these tasks easier?
Answer» Answer :No, we cannot PUSH a NAIL into a WOODEN PLANK by its head.