SOLUTION: what is specific weight?can you give me a sample problem with solution of it

Question 622306: what is specific weight?can you give me a sample problem with solution of it

Answer by math-vortex(648) (Show Source): You can put this solution on YOUR website!
Hi, there--
.
Specific Weight is defined as weight per unit volume. Here, we are thinking about weight as a force. Weight is not the same thing as mass.
.
Specific Weight can be expressed as
γ = ρ*g
where
γ = specific weight in N/m^3 "Newtons per meter-cubed"
ρ = density in kg/m^3 "kilograms per meter-cubed"
g = acceleration of gravity, m/s^2 "meters per second-squared"
.
(The acceleration of gravity under normal conditions is 9.807 m/s^2 in SI-units and 32.174 ft/s^2 in imperial units.)
.
An Example: The Specific Weight of Water (in S-I units)
.
Let γ be the specific weight of water
Let ρ be the density of water, or 1000 kg/m^3
Let g acceleration due to gravity, or 9.807 m/s^2
.
γ = ρ*g
.
γ = (1000 kg/m^3) (9.807 m/s^2)
.
γ = 9807 N/m^3
.
You will often see these values converted to kN/m^3, "kilo-Newtons per meter-cubed," where
1 kN = 1000 N.
.
γ = 9.807 kN/m^3
.
The specific weight of water in S-I units is 9.807 kN/m^3.
.
Hope this helps!
.
Ms.Figgy
math.in.the.vortex@gmail.com
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