Question

what is pressure ?why the cutting edge of knife made shrap​

Answer 1

Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure is the pressure relative to the ambient pressure. Various units are used to express pressure.

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 large pressure and this large pressure cuts the object easily. While a blunt knife has a thicker edge.

Answer 2

Answer:

ans1 , Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. ... Pressure may also be expressed in terms of standard atmospheric pressure; the atmosphere (atm) is equal to this pressure, and the torr is defined as 1⁄760 of this...

ans 2, 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.

Explanation:

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