First slide

Physical quantities and units

Question

The physical quantity denoted by $\frac{m a s s \times p r e s s u r e}{d e n s i t y}$ is

Moderate

A

force
B

work
C

momentum
D

angular momentum

Solution

Given, $\frac{m a s s \times p r e s s u r e}{d e n s i t y} = \frac{[M] \times [M L^{- 1} T^{- 2}]}{M L^{- 3}} = [M L^{2} T^{- 2}]$
Which represents work.

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