Pascal is the s.i unit of upthrust
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The unit of upthrust is derived from the formula for upthrust, which is the density of the fluid (ρ) times the volume of fluid displaced (V) times the acceleration due to gravity (g). As a result, the unit of upthrust is typically expressed in newtons (N) or pounds-force (lbf) because these are the units of force.
Upthrust is the upward or buoyant force acting on an object in a liquid. It is a force, and so has the units of force. This is pounds in the imperial system, and Newtons in the SI.
The mile is a derived unit, not a fundamental unit. It is derived from the fundamental unit of length in the International System of Units (SI), which is the meter.
Volume is measured in units derived from the fundamental unit of length.
The sievert is the SI derived unit of ionizing radiation dose. The Sv is its abbreviation.
Yes, the joule is a derived unit in the International System of Units (SI). It is derived from the base units of kilogram, meter, and second, and is used to measure energy, work, and heat.
a fundamental unit is kg or m - (also seconds, amps, candela and moles). Density is kg/m3 and is thus derived.