A 1000-kg barge is being towed by means of two horizontal cables. One cable is pulling with a force of 80.0 N in a direction 30.0° west of north. In what direction should the second cable pull so that the barge will accelerate northward, if the force exerted by the cable is 120 N?
A) 19.5° east of north
B) 21.1° east of north
C) 39.0° east of north
D) 47.5° east of north
E) 54.7° east of north

Question

Quizplus · Accepted Answer

The correct answer is A because the second cable should pull in a direction 19.5° east of north to balance the force of the first cable and accelerate the barge northward.

A 1000-Kg Barge Is Being Towed by Means of Two