An artificial satellite with a mass of 1,000 kg is at an altitude of 900 km above the surface of the Earth. a)Determine the gravitational force on the satellite. b)Determine the gravitational acceleration at this

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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!