Which of the following statements about free fall is true_______
A. The vertical downward motion of an object in free fall.
B. A motion whose acceleration is equal to the acceleration of gravity is a free-fall motion.
C. In the process of free fall, objects of different masses change in the same law.
D. The object is in free fall, and the force has nothing to do with the mass
Answer:C
Which of the following statements about free fall is true_______
A. The vertical downward motion of an object in free fall. B. A motion whose acceleration is equal to the acceleration of gravity is a free-fall motion. C. In the process of free fall, objects of different masses change in the same law. D. The object is in free fall, and the force has nothing to do with the mass