The specific weight of water is 1000 kg/m<sup>3</sup>

16) The specific weight of water is 1000 kg/m³

Answer is:

all the above

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17) Specific weight of water in S.I. units is equal to

Answer is:

9.81 x 10³ N/m³

Explanation:

Weight density or specific weight is defined as the weight per unit volume of a liquid at a standard temperature and pressure. Weight density or specific weight is usually denoted by w. Weight density or specific weight is expressed in kN/m³ or N/m³ or N/mm³.

Mathematically, weight density or specific weight,
w = ρ.g

Note: For water, w = 9.81 kN/m³ = 9.81 x 10³ N/m³ = 9.81 x 10^-6N/mm³.