# Energy per unit weight

## Homework Statement

why the author said the equation 3-4 as energy per unit weight ?
as gamma = rho g , gamma has the unit of kg(m^-3)(ms^-2) = kg(m^-2)(s^-2) , gamma is clearly not weight ...

## The Attempt at a Solution

#### Attachments

• 0024.PNG
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Bystander
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Beg your pardon?

SteamKing
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## Homework Statement

why the author said the equation 3-4 as energy per unit weight ?
as gamma = rho g , gamma has the unit of kg(m^-3)(ms^-2) = kg(m^-2)(s^-2) , gamma is clearly not weight ...

## The Attempt at a Solution

You'll have to supply some additional information about this equation 3-4, which is not included in your attachment.

The quantity γ = ρ ⋅ g is known as the weight density of the fluid, however.

You'll have to supply some additional information about this equation 3-4, which is not included in your attachment.

The quantity γ = ρ ⋅ g is known as the weight density of the fluid, however.
P / γ = height . right ? why is energy per unit weight ?

SteamKing
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P / γ = height . right ? why is energy per unit weight ?
Work out the units on both sides of the equation.