Question

it is difficult to cut cloth using the pair of scissors with blunt blades. explain

Answer 1

blunt blades have larger area than sharp edge blades.Thus ,the applied force produces a lower pressure in case of blunt blades

Answer 2

Hey there!

The area is larger of blunt blades to comparison to sharp edges blades.
We know,

$\boxed{\text{Large Area }\to \text{Less Pressure}}$

So, due to large area, blunt blades have low pressure. 

Hence, it is difficult to cut the cloth using a scissor with blunt edges.

Hope It Helps You