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hologence
1 year ago

Force addition delivers zero, but this only means that the rope does not move. In order to measure the tension that the rope stops, a spring would be placed in the middle (or any other place, the tension is the same everywhere). When pulled at one end with 1059N, the other end with the same force holds against it and the spring does not move, the 1050N are exactly what the spring would measure.

The example shows very nicely that in physics it is not enough to expect something, but that one must also understand what actually happens.

SevenOfNein
1 year ago

Because it’s left and right. A rope of paper would tear. I actually wonder why the solution is not 2100 N 🤣