Generic physics knowledge test

Question

An apple, a metal ball, and a paper is falling in a vacuum. Which one has the greatest acceleration?

Answer 1

When an object is dropped in a vacuum (on earth at normal altitudes), no matter what the object is, it is subject to only 1 force. That force is the force of gravity. The acceleration due to that force is called the acceleration due to gravity and is 9.8 m/s². It is called "g"