Question

If you apply three different, fixed forces to a body, in any direction on the x-y...

If you apply three different, fixed forces to a body, in any direction on the x-y plane,
a) sketch how to apply these forces to achieve the largest possible resultant force
b)sketch a way to apply these forces to get a 70-N resultant force, pointing in the +x direction
c)Sketch how these forces magnitudes can add to give a zero net force

Forces:
F1=40 N; F2=50 N; F3=60 N

Dont worry about the Part A and B. Just do Part C with the mathematical proof, for example: Fnet = 0.... and also sketch it.

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