Question

Difference between weightless ness and free fall in Physics.

Answer 1

brother.... weightlessness is caused by an object being in free fall. But some differences can be seen
*free fall can experienced on earth
*weightlessness cannot be experienced on earth

*there is no change in the value of acceleration due to gravity (g)
*even though the object maybe at height but the gravity is not zero. It is only 11%less than real value

*when an object is thrown down on earth it falls
*when an object is thrown down in weightlessness condition it floats

*since, the object falls down sign convection is used to find out the direction of that object
*since, the object is still at its place sign convection cannot be used to find out the direction

this is it.
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Answer 2

Weightlessness is the complete or near complete absence of the sensation of weight.

It is also termed as zero G.

A free fall is an object where gravity is the only force acting upon it.