A) Work, energy, force
B) Velocity, momentum, impulse
C) Potential energy, kinetic energy, momentum
D) Pressure, stress, coefficient of elasticity
Correct Answer: D
Solution :
Pressure \[=\frac{force}{area}\] \[\Rightarrow \]Dimensions of pressure \[=\frac{[ML{{T}^{-2}}]}{[{{L}^{2}}]}\] \[=[M{{L}^{-1}}{{T}^{-2}}]\] Stress \[=\frac{force}{area}\] \[\Rightarrow \] Dimensions of stress \[=[M{{L}^{-1}}{{T}^{-2}}]\] Coefficient of elasticity \[=\frac{stress}{strain}\] \[\Rightarrow \]Dimensions of coefficient of elasticity \[=[M{{L}^{-1}}{{T}^{-2}}]\] (\[\because \] Strain is dimensionless)
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