Question

the blade of a metal cutter is shorter than that of the scissors used by tailors​

Answer 1

*Question:

The blade of a metal cutter is shorter than that of the scissors used by tailors.

*Answer:

In order to cut the metals we need more energy and effort. If the effort distance is greater than load distance there will be magnification of force and the metals would easily could cut.So the blade of a metal cutter shorter than that of scissors used by tailors.