Which one of the following physical quantity has the same unit as that

Which one of the following physical quantity has the same unit as that of pressure ?

Angular momentum

Stress

Strain

Work

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC NDA-1 – 2017

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Stress has the same unit as that of pressure.

Pressure is defined as force per unit area (P = F/A). Its unit is Newton per square meter (N/m²), also known as Pascal (Pa). Stress is also defined as force per unit area, representing the internal force per unit area within a material resisting deformation (Stress = F/A). Therefore, stress also has the unit of N/m² or Pascal (Pa).

Angular momentum is the product of moment of inertia and angular velocity; its unit is kg⋅m²/s or J⋅s. Strain is a dimensionless quantity, defined as the ratio of change in dimension to the original dimension (e.g., change in length/original length). Work is defined as force times distance; its unit is Newton-meter (N⋅m) or Joule (J). Out of the given options, only stress shares the same unit (N/m² or Pa) with pressure.

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