When a hammer and a feather are dropped from the same moment at the same time on Earth, the hammer hits the ground before the feather. When a hammer and feather are dropped on the Moon from the same height and at the same time, they fall slower and hit the ground at the same time.
Why does this happen on the Moon? Be sure to FULLY explain all parts that go into this.
Use your own words and explanation, not google. Any answers that are found to be copied/plagiarized off the internet will get a zero for this question. Use the information presented in the course materials.
The Correct Answer and Explanation is :
The key difference between the behavior of a hammer and a feather on Earth versus the Moon lies in two major factors: gravity and air resistance.
On Earth:
When objects are dropped from the same height at the same time, gravity acts on them and pulls them toward the ground. The hammer, being heavy and dense, does not experience much air resistance, so it accelerates towards the ground at a fairly constant rate. On the other hand, the feather, being light and having a larger surface area relative to its mass, experiences a much greater effect from air resistance. The feather is slowed down by the air molecules it encounters as it falls, causing it to drift and fall much more slowly compared to the hammer. This results in the hammer hitting the ground before the feather.
On the Moon:
The situation on the Moon is different because the Moon has no atmosphere, meaning there is no air resistance. Both the hammer and the feather are subject only to the force of gravity, which is much weaker on the Moon than on Earth (about 1/6th of Earth’s gravity). Since there is no air to slow down the feather, both the hammer and the feather fall at the same rate. They experience the same gravitational pull and will hit the ground at the same time, regardless of their different masses and shapes.
Why do they fall at the same rate on the Moon?
This is a result of a key principle in physics called the equivalence of inertial and gravitational mass. Essentially, gravity pulls harder on heavier objects, but the heavier object also has more inertia (resistance to changes in motion), so the two effects cancel out. This means that, in the absence of air resistance, all objects fall at the same rate, regardless of their mass or shape.
Thus, the absence of air resistance on the Moon is the reason why the hammer and feather fall at the same rate and hit the ground at the same time.