Two men are pulling the barge as shown in the figure. The man on the lower side pulls it with a force of 58.17 N, at an angle of 34 degrees, while the man on the other side is pulling it at an angle of 45 degrees. The second man pulls the barge with a force of magnitude, F (in N). What should F be so that the net force on the barge is in the forward direction? (Round your answer to two decimal places.)

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!