Interesting fact of the day. As you lift a rock into the air it actually **increases** its overall mass. Though the increase is so small you'd never notice it.
@mur2501 yes, though im not sure id count those as part of the mass of the rock... Plus its hard to say if that would be a net loss, it could also pickup new particles as it moves through the air.
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This is Mur 
@mur2501 yes, though im not sure id count those as part of the mass of the rock... Plus its hard to say if that would be a net loss, it could also pickup new particles as it moves through the air.