A dresser is being pushed by one person and pulled by another such that is slides across the floor at constant velocity. If the coefficent of kinetic friction between the hairdresser and floor is 0.6 and the dresser weighs 300 N, Then how large is the force F shown. a) 105.2 N b) 138.4 N c) 211.1 N d) 58.9 N e )89.0 N

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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!