3. Your phone weighing 129 g was accidentally dropped from a 3 feet height. This causes no damage but when you climbed up a 15-foot high tree your phone broke when it fell. According to Newton's law of universal gravitation, the closer the object to the ground the greater the gravitational force. If that is the case, why does your phone break when dropped from a higher height as compared to a height closer to the ground?

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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!