If we release all the vacuum from the breaker and put an iron naik and feather then which of these will fall faster and why?

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Solution

Both of the object will fall at the same time.
When air is removed the only force acting is gravitational force

gravitational force=net force
mg=ma
g=a
the dropped objects will have an acceleration of g irrespective of the mass of the object.

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If we release all the vacuum from the breaker and put an iron naik and feather then which of these will fall faster and why?

Both of the object will fall at the same time. When air is removed the only force acting is gravitational force gravitational force=net force mg=ma g=a the dropped objects will have an acceleration of g irrespective of the mass of the object.

Both of the object will fall at the same time.
When air is removed the only force acting is gravitational force

gravitational force=net force
mg=ma
g=a
the dropped objects will have an acceleration of g irrespective of the mass of the object.