A person of mass 70kg weighs himself on a weighing machine first on the earth and then on planet, where acceleration due to gravity is 1/2 that on the earth . Calculate the reading of weight on the weighing machine
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343 kg ms^-2 is the answer
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mass of man = m = 70kg
weight of man on earth = m×g =
weight of man when g = g/2
= m × g/2
= 70 × 9.8/2
= 70 × 4.9
= 343 kg m/ s^2
weight of man on earth = m×g =
weight of man when g = g/2
= m × g/2
= 70 × 9.8/2
= 70 × 4.9
= 343 kg m/ s^2
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