A bag of sugar weighs 2.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth?   Repeat for Jupiter, where g is 2.64 times that on Earth.   Find the mass of the bag of sugar in kilograms at each of the three locations. Earth  kg Moon  kg Jupiter  kg

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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!