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What planet are you on? I don't mean to be a wise-ass, but weight depends upon the acceleration of gravity, which is different on different planets, whereas mass is the same no matter where you are. On the surface of the Earth, the acceleration due to gravity is 9.8 m/s2, so a 40-kg mass will weigh 40 x 9.8 = 392 newtons.

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17y ago
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15y ago

To get weight from mass, multiply the mass by the gravitational constant, which for earth is 9.8 meters per second squared. 40kg X 9.8 = 392 Newtons Hope this helps!

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9y ago

Her weight is 392N

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9y ago

8,992 pounds in 40kN

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9y ago

On Earth, 40kg is 392.28N

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9y ago

392 N

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Q: What is the weight in newtons for lily lightweight who has a mass of 40 kg?
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