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In mechanical physics the word "threaded" means some kind of thread engagement.hi everyone, i can't seem to solve this right :/
In this question "threaded" simply means that the roughly surfaced rod is inserted into the ring. Here a "common meaning" but not the technical meaning of the word "threaded" is used. I object to such use in physics which is where technical meanings should be given and learned.
To me the 3rd Law of Newton should be the answer to the question. That is, the force of rod on ring should equal 2 N in a direction that is 180° opposite to that shown in diagram.
Suchal Riaz ZaqZainab midha.ch