Consider the diagram below. The box experiences and acceleration of 5.50 m/s² when an applied force of FÅ= 95.0 N acts at an angle 0=35.0 ° above the horizontal and a frictional force of 17.0 N opposes the motion. What is the mass of the box? State you answer in kilograms to 2 decimal places. Do NOT include units in your answer. N W Ө FA

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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!