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A feather falling in a vacuum is not considered as a projectile motion. Gravity, which is absent in a vacuum, is one of the components of projectile motion.
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What is a freely falling projectile?
It is a projectile falling with an acceleration equal to that of free fall. (an object falling in a vacuum at the earth's surface)
Why would a feather and an elephant fall at the same time in a vacuum?
Because a feather has more air resistance, it normally falls slower, but in a vacuum, there is not air resistance so they fall at the same rate. Think of it as a feather and an elephant falling in space.
What affect would a vacuum have on falling objects?
All object fall at the same rate in a vacuum. If you drop a feather and a bowling ball at the same time in a vacuum, they would hit the ground at the same time.
Why does a feather falling through the air slower than a brick?
Wind resistance. In a vacuum, feathers and bricks fall at same speed.
Why will a feather and an apple fall at the same rate in a vacuum?
because it does
What is a freely falling projectile?
It is a projectile falling with an acceleration equal to that of free fall. (an object falling in a vacuum at the earth's surface)
Why would a feather and an elephant fall at the same time in a vacuum?
Because a feather has more air resistance, it normally falls slower, but in a vacuum, there is not air resistance so they fall at the same rate. Think of it as a feather and an elephant falling in space.
What affect would a vacuum have on falling objects?
All object fall at the same rate in a vacuum. If you drop a feather and a bowling ball at the same time in a vacuum, they would hit the ground at the same time.
Why does a feather falling through the air slower than a brick?
Wind resistance. In a vacuum, feathers and bricks fall at same speed.
Why does a feather having a mass of 9 grams fall from a table to the floor slower than a 9 gram ping pong ball falling the same distance?
this is because of air resistance which increases with surface area of feather. however if there is no air resistance (only vacuum) both feather and ball will fall together.
Why will a feather and an apple fall at the same rate in a vacuum?
because it does
How will value of the acceleration be affected if the falling body is heavy?
The value of acceleration in a free-falling body is constant (g). The mass of the body will have no effect on the acceleration. On earth, if you drop a heavy weight and a feather together, the weight will hit the ground first because the feather is held back by air resistance. If you do the same thing in a vacuum (as was demonstrated by an astronaut on the moon) both will hit the ground at the same time.
Which will fall faster a feather or ping pong ball if dropped in a vacuum?
Both will fall at the same time in vacuum because there is no resistance.
How do a feather and hammer hit the ground at the same time?
In a vacuum, a feather and a hammer will hit the ground at the same time if released at the same moment. In normal air, a feather will take longer to reach the ground.
Is 20kg lead in a vacuum heavier than 20kg feather in a vacuum?
No. Weight = mass x gravity, so for the same mass, you get the same weight.
Why can't a object falling in a vacuum ever reach terminal velocity?
There is no drag in a vacuum to act against the acceleration.
Where on earth can a hammer and feather drop at the same speed?
Inside a safe dropped from a plane.If there were a very good vacuum to drop them in, it would be close. The air resistance of a feather limits its falling velocity more than the resistance on the hammer. When the drag caused by friction equals the weight of the object, it cannot continue to accelerate and falls at a speed called its terminal velocity.
