Why is translator required

Translators aid communication by converting information from one language into another. The goal of a translator is to have people read the translation as if it were the original. ... Translators must read the original language fluently but may not need to speak it fluently.

answer; wireshark;

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.