A block of mass m = 5.6 kg is pulled up a 0 = 26° incline as in the figure below with a force of magnitude F = 38 N. a) Find the acceleration of the block if the incline is frictionless. b) What is the distance traveled by the block on the incline in 0.5 sec?

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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!