Two forces act on a 3.40 kg object, the gravitational force and a second, constant force. The object starts from rest and in 1.20 s is displaced (5.701 - 3.30ĵ) m. Write the second force in unit vector notation. (Enter your answer in kg. m/s². Assume the gravitational force acts in the -Ĵ direction.) 13.2 F = X

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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!