# physics

posted by Melissa

Two children on the beach are pulling on an inner tube. One exerts a force of 45 N[N]. The other exerts a force of 60N[SW]. What is the net force acting on the tube

1. drwls

It is the vector sum of the two forcesw. Note that they are 135 degrees apart.

You can either add x- and y- components (separately) or use the law of cosines.

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