Find the weight of a body of mass 50 kg on the surface as well as at the centre of Earth
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Answer:
w=mg
50×9.8
490newton(at surface)
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Weight, w = Mass (m) × gravity (g)
Mass, m = 50 kg
gravity, g = 9.8 m/s^2
Weight, w = 50 kg × 9.8 m/s^2
= 490 kg / m s^-2
= 490 N
As gravity becomes 0 at the centre of Earth, the weight of a body will also becomes 0 whatever the mass is, as weight = mass × gravity.
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