Multiple choice

Why is one end of iron nail sharpened?

  1. To change the direction of force applied at the head

  2. To enhance the force applied

  3. To increase the magnitude of force applied at the head

  4. To increase the magnitude of pressure acting on an object
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, it is correct. Smaller the area, larger is the pressure for a given applied force. One end of the nail is made sharp so as to produce large pressure on the area concerned.

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