Q4 of 46 Page 246

The mass of a person is 50 kg. The weight of that person on the surface of the earth will

be ________.

W = mg,

where W is the weight,


m is the mass,


and g is acceleration due to gravity, which is 9.8 m/s2.


So weight is equal to 50 kg × 9.8 m/s2 = 490 N.

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