Posted by **sarah grace santiago** on Wednesday, April 18, 2012 at 6:30am.

3 boys pulling at the end of 3 ropes held together on a knot. one boy pulls with a force of 20 Newton eastward, while a 2nd boy pulls with the same magnitude force northward. in what direction and with what force must a 3rd boy be pulling if his pull of the knot is to be equal and opposite to the combine pulls of the other 2 boys.

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