Three people are pulling a heavy object along the floor with forces A, B and C as shown in the figure. What is the resultant (i.e. sum) of the three forces? The forces are given by (all angles are CcW from + x-axis): A = magnitude 20 N, direction 30o. B = magnitude 40 N, direction 140°. C = magnitude 30 N, direction 240°. в A х-ахis
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