Why is the tip of the pin sharp but the head is broad ?
Class 9
Ch. Gravitation
:) Last question 2. Answer was pressure .. btw thankyou for answering mate
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2
Explanation:
The tip of pin is sharp to have ease in penetrating it. It is made thiner and sharper so that it acquire less area so that amount of force is required is minimised. Exactly opposite at other at head to prevent it from penetration.
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8
Answer:
Tip hass less area , so there is more pressure, hence it pierces easily.
On the other hand , the head is broad so that area of contact is more , so the pressure can be easily exerted .
Explanation:
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