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A drawing pin has a sharp tip and a broad head
PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation
Problem
A drawing pin has a sharp tip and a broad head. Explain, in two or three sentences, why the tip penetrates a wooden board easily while the head does not, even though the same force is applied by your thumb.
Related theory
Fluid Statics
Pressure
Force and Pressure
Pressure in liquids
Fluid pressure and Pascal's law
Thrust and pressure
Gravitation
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