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Unit - 3.1 Turning Effect of Force And Pressure — PHYSICS STD 8 — Question

ICSE BoardEnglish MediumSTD 8PHYSICSUnit - 3.1 Turning Effect of Force And Pressure1 Mark
Question
Explain the following:Why is the edge of knife kept sharp?
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Answer

A sharp knife cut objects better because due to its very thin edge, the force of our hand falls over a very small area of the object producing a large pressure and this large pressure cuts the object easily.

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