Q. Cutting is easy with the sharp end of the knife. It is due to:

A
The force acting on the sharp edge is more because the surface sharp end is less
B
The force acting on the sharp edge is less because the surface area is less
C
the thrust on the edge is independent of the surface area
D
None of the above
Solution:

Pressure is Force per Unit Area. Pressure is the force on an object that is spread over a surface area. The equation for pressure is the force divided by the area where the force is applied

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