The resultant range of 4N, 5N and 10N forces

It can be done by the combination of forces. If three forces are in the same direction, the maximum force is 4 + 5 + 10 = 19. If two forces are opposite, the minimum force is 10-4-5 = 1. Both of them are in the same direction. The maximum force of multiple forces must be the sum of several forces, but the minimum force needs to consider whether it meets the balance principle. It is very likely that the minimum force of the combination of three angular forces will be 0, which needs to be carefully considered

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