Question

Take two iron nails, one with pointed end and the other with blunt end. Try to nail them into wall. What did you observe?

Answer the following questions:
1. When did you have to apply more force: while using pointed nail or blunt nail?
2. What could be the reason for the above observation?

Answer 1

while using blunt Nail we were suppose to apply more force becauseA sharp nail has smaller area than the area of blunt nail. So sharp nail gets more pressure fix easily into the wall than the blunt nail...

Answer 2

Answer: we need to apply more force while using blunt iron nail .

Explanation: because sharp nail has smaller area than the area of blunt nail . So sharp nail gets more pressure fix easily into the wall than the blunt nail .