Three people pull simultaneously on a stubborn donkey. Jack pulls directly ahead of the donkey with a force of 83.5 N83.5 N , Jill pulls with 98.3 N98.3 N in a direction 45° to the left, and Jane pulls in a direction 45° to the right with 187 N187 N . (Since the donkey is involved with such uncoordinated people, who can blame it for being stubborn?) Find the magnitude of the net force the people exert on the donkey.

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