55
Question
Why are tips and edges of cutting and piercing tools made sharp?
Why are tips and edges of cutting and piercing tools made sharp?
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Solution
- The pressure acting on a surface area A by a force F is given by: P= F/A.
- So, the pressure acting on a small surface area is large as compared to that on a large surface area.
- Therefore cutting objects becomes easier with sharp edges(small surface area).
- Therefore, tools meant for cutting and piercing always have sharp edges so that they may produce large pressure to cut things easily.
- The pressure acting on a surface area A by a force F is given by: P= F/A.
- So, the pressure acting on a small surface area is large as compared to that on a large surface area.
- Therefore cutting objects becomes easier with sharp edges(small surface area).
- Therefore, tools meant for cutting and piercing always have sharp edges so that they may produce large pressure to cut things easily.
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