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Biology, 08.04.2021 04:30 exiZT7535

Four people are playing tug-of-war. On the right side, Person #1 is pulling with a force of 60 N and Person #2 is pulling with a force of 70 N. On the left side, Person #3 is
pulling with a force of 30 N. How much force should Person #4 on the left side apply so
that the rope doesn’t move?

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