what is the weight of the body at centre of earth? why?
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It’s very close to zero, but not quite ever zero. The reason is that the gravitational attraction of the moon and the sun will constantly tug on you…slightly.
Gautham4391:
what did you mean by saying tug on you
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Weight = mass * gravity .
We feel weight , when gravity attract us .
According to Equivalence principle , A body in free fall don't feel his own weight ,as he feels that he is in space ,but how's it possible ? So , gravity is not a force . Not even , If we assume that I am at rest in a helicopter ,and rest of the world on ground moving up (imagine it) ,then we assume that we are in free fall . And when we are in surface ,and imagine the same thing , you experience weight in your feet , that gravity , Gravity and acceleration are the same thing ,In center of earth ,there is no acceleration ,so you feel no gravity , gravity only experience when something acceleration you upward ,so you feel gravity inward ,let understand it , imagine a lift in deep space , you
can't see outside ,and then lift ,was moving upward in acceleration , you feel pressured on your feet . You think you are on earth ,but actually you are in acceleration . So ,if you're in free fall in same lift , you feel weight less , because all objects of your body are falling at same relate .In center of earth you feel weight less only when you are at perfect center . Light also curve in high gravity ,as light has no mass ,so why it bend ,due to that gravity is not control by force particle . It is the curve space-time .
We feel weight , when gravity attract us .
According to Equivalence principle , A body in free fall don't feel his own weight ,as he feels that he is in space ,but how's it possible ? So , gravity is not a force . Not even , If we assume that I am at rest in a helicopter ,and rest of the world on ground moving up (imagine it) ,then we assume that we are in free fall . And when we are in surface ,and imagine the same thing , you experience weight in your feet , that gravity , Gravity and acceleration are the same thing ,In center of earth ,there is no acceleration ,so you feel no gravity , gravity only experience when something acceleration you upward ,so you feel gravity inward ,let understand it , imagine a lift in deep space , you
can't see outside ,and then lift ,was moving upward in acceleration , you feel pressured on your feet . You think you are on earth ,but actually you are in acceleration . So ,if you're in free fall in same lift , you feel weight less , because all objects of your body are falling at same relate .In center of earth you feel weight less only when you are at perfect center . Light also curve in high gravity ,as light has no mass ,so why it bend ,due to that gravity is not control by force particle . It is the curve space-time .
you took Einstein ideas bro, though it was not the question
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