An object of mass m is held at a vertical height h from ground level. It is then released and falls under the influence of gravity. Which of the following statements is true in this situation? (Neglect air resistance.)
A. The total energy of the object is decreasing.
B. The kinetic energy of the object is decreasing.
C. The total energy of the object is increasing.
D. The potential energy of the object is decreasing and the kinetic energy is increasing.
Answer:D
An object of mass m is held at a vertical height h from ground level. It is then released and falls under the influence of gravity. Which of the following statements is true in this situation? (Neglect air resistance.)
A. The total energy of the object is decreasing. B. The kinetic energy of the object is decreasing. C. The total energy of the object is increasing. D. The potential energy of the object is decreasing and the kinetic energy is increasing.