Table of Contents
- 1 Is a falling feather in a vacuum chamber a projectile?
- 2 Why do a feather and a hammer fall at the same speed in vacuum?
- 3 Can a feather hit terminal velocity?
- 4 What will happen if a stone and a feather simultaneously dropped on the moon?
- 5 What would happen if a Feather reached terminal velocity?
- 6 How do you prove that heavier objects fall faster?
Is a falling feather in a vacuum chamber a projectile?
YES – An object upon which the only significant force is gravity fits the definition of a projectile (provided that significant means “having an influence”). f. NO – Falling feathers encounter air resistance which impedes the downward acceleration and causes the feather to fall at nearly a constant velocity.
What happens to the velocity of a feather if you drop it in vacuum?
Larger objects experience more air resistance than smaller objects. Since the feather is so much lighter than the coin, the air resistance on it very quickly builds up to equal the pull of gravity. After that, the feather gains no more speed, but just drifts slowly downward.
Why do a feather and a hammer fall at the same speed in vacuum?
Because they were essentially in a vacuum, there was no air resistance and the feather fell at the same rate as the hammer, as Galileo had concluded hundreds of years before – all objects released together fall at the same rate regardless of mass.
Would a feather fall faster?
Galileo discovered that objects that are more dense, or have more mass, fall at a faster rate than less dense objects, due to this air resistance. A feather and brick dropped together. Air resistance causes the feather to fall more slowly.
Can a feather hit terminal velocity?
As the feather falls, its air resistance increases until it soon balances the weight of the feather. The feather now falls at its terminal velocity. In fact, it probably hits the ground before it reaches its terminal velocity.
Which will fall faster feather or stone in vacuum?
Air resistance causes the feather to fall more slowly. If a feather and a brick were dropped together in a vacuum?that is, an area from which all air has been removed? they would fall at the same rate, and hit the ground at the same time.
What will happen if a stone and a feather simultaneously dropped on the moon?
Galileo had concluded that all objects, regardless of mass, fall at the same speed — however, the resistance caused by the air (as in the case of the feather in Earth’s atmosphere) can cause the feather to drop slower. Well, on the moon there is no atmosphere (a vacuum), so the objects should drop at the same speed.
What are the characteristics of a free falling projectile?
A projectile is a free-falling object. A projectile experiences negligible or no air resistance. A projectile must be moving in the downward direction. A projectile must be accelerating in the downward direction.
What would happen if a Feather reached terminal velocity?
If it did reach a terminal velocity, then that velocity would be extremely large – much larger than the terminal velocity of the feather.
What happens to the elephant and the feather when they fall?
The elephant and the feather are each being pulled downward due to the force of gravity. When initially dropped, this force of gravity is an unbalanced force. Thus, both elephant and feather begin to accelerate (i.e., gain speed). As the elephant and the feather begin to gain speed, they encounter the upward force of air resistance.
How do you prove that heavier objects fall faster?
Hold on the tip of the fingers of different hands a coin and a paper disc about one meter or more above the floor. Drop both of them simultaneously. The coin will reach the floor before the paper disc. From this experiment is possible to conclude mistakenly that heavier objects fall faster.