what is weightlessness can a a body have the mass and no weight? give the reason
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Yes, a body can have mass but no weight at the centre of the earth. This is because acceleration due to gravity (g) decreases as we go deep into the earth and becomes zero at the centre.
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Yes a body having mass can feels weightlessness. It happens when the net acceleration on a body is constant gravitational acceleration.
It generally happens when a body freely falls under gravity and there is no significant air resistance acceleration. Then, when body is at the centre of earth or the space, g=0, thus net force on body is also zero. Therefore body feels weightlessness.
hope this will help you.
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