A ball rolls down a hill with no friction and reaches the bottom. Which statement best describes how the energy changes as the ball moves?

Question

A ball rolls down a hill with no friction and reaches the bottom. Which statement best describes how the energy changes as the ball moves? — Exam MCQ

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D. The ball’s potential energy decreases while its kinetic energy increases — The correct choice is The ball’s potential energy decreases while its kinetic energy increases. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.

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A. Both potential and kinetic energy increase as the ball moves

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B. The ball’s kinetic energy decreases as it moves downward

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C. The total energy of the ball increases as it rolls

A ball rolls down a hill with no friction and reaches the bottom. Which statement best describes how the energy changes as the ball moves?

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