Gujarat BoardEnglish MediumSTD 8ScienceForce and Pressure2 Marks
Question
The tools used for cutting and piercing always have sharp edges.
✓
Answer
The cutting and piercing tools have very small area of cross$-$section which lead to increase in pressure with small force.
$-$So they can easily penetrate the surface.
$-$That’s why cutting tools are very much sharpened.
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