An object of mass, m, is attached to a spring balance and its weight, w, recorded. What will be the result if the object is taken to the moon and weighed there? a) mass = m; weight greater than w b) mass = m; weight less than w c) mass greater than m; weight = w d) mass less than m, weight = w

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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!