Home DIMENSIONS ELASTICITY KINEMATICS NEET 2020 Previous year Questions Units & Measurement Dimensions of stress are

Dimensions of stress are

[ NEET 2020 ]

$(a) [MLT^{-2}]$ $(b) [ML^{2}T^{-2}]$

$(c) [ML^{0}T^{-2}]$ $(d) [ML^{-1}T^{-2}]$

Stress can be defined as force acting per unit area

$Stress = \frac{Force}{Area}$

Therefore, dimensions of the force can be given as

$[Stress]= [Force][Area]^{-1}$

$[Stress]= [F][A]^{-1}$

$[Stress]= [M LT^{-2}][L^{2}]^{-1}$

$[Stress]= [M LT^{-2}][L^{-2}]$

$[Stress]= [M L^{1-2}T^{-2}]$

The dimensions of stress is

$[Stress]= [M L^{-1}T^{-2}]$

Milan Tomic

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