Homework Help: physics

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.

physics - drwls, Wednesday, April 18, 2012 at 7:09am
The three forces must have a resultant of zero.
The third force must be 20*sqrt2 Newtons, in a SW direction.
physics - Anonymous, Tuesday, November 20, 2012 at 8:01am
40

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