What is the ratio of the sun's gravitational pull on Mercury to the sun's gravitational pull on the earth? The radius of the orbit of Mercury is RM = 5.79 × 1040 m 3.30 x 1023 kg. The radius of and its mass is MM = the orbit of Earth is RE = 1.50 x 101" m and its mass is me = 5.97 × 1024 kg. ? FM FE II

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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!