Question

Can the weight of a body or an object can be zero on any other planet . Expplain

Answer 1

yes .
weight of the body is given by the product of mass and acceleration due to gravity.
if acceleration due to gravity on any planet is zero then surely weight of the body is zero on that planet

Answer 2

the body weight of human body decreases but it didn't become 0.
the weight decreases because there is no gravity in other planet.
Hope this will help you.
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