A hammer and a feather are dropped from the same height by an astronaut on a planet without air. How will their falls compare? (1 point)

The feather will fall faster because it has less mass, allowing it to speed up more easily than the hammer.
The hammer will fall faster because gravity is pulling it down with a greater force than it is pulling the feather.
The objects will fall at the same time because gravity is not acting on them, so they will be affected the same.
• The objects will fall at the same time because gravity will have the same affect on them.

1 answer

The correct answer is: The objects will fall at the same time because gravity will have the same effect on them.

In the absence of air resistance, all objects fall at the same rate regardless of their mass, as per the principle of gravitation established by Galileo and later confirmed by Einstein's theories. Therefore, both the hammer and the feather will hit the ground simultaneously when dropped from the same height on a planet without air.