1.

Under what conditions a body becomes weightless?

Answer»

Weight of a body is nothing but the force with which it is attracted towards the centre of earth.

Force = Mass × Acceleration

W = m × g

Since, we have Force = Weight = W and acceleration is acceleration due to gravity or g.

A body becomes weightless when g becomes zero and this happens when acceleration due to gravity becomes zero and thus body becomes weightless.

Example:

At centre of earth, far away from earth’s surface, freely falling body



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