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Weight is the acceleration due to gravity acting on a mass in kg. The formula is W=mg, where W is weight in Newtons, m is mass in kg, and g is acceleration due to gravity, -9.8 m/s/s, or -9.8 m/s2.

Example: What is the weight of a small dog that has a mass of 6.8 kg?

W = mg = 6.8 kg x -9.8 m/s2 = -66.64 N

Note: weight is a negative force because the acceleration due to gravity is negative. This just means that it is a downward force.

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7y ago

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A kilogram, or 2.2 pounds.

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7y ago
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On earth it is 9.81 newtons.

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7y ago
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Q: What is the weight of a kg mass?
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