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1.Units, Dimensions and Measurement
medium
In the following list, the only pair which have different dimensions, is
ALinear momentum and moment of a force
BPlanck's constant and angular momentum
CPressure and modulus of elasticity
DTorque and potential energy
Solution
(a) Linear momentum = Mass $ \times $ Velocity = $[ML{T^{ – 1}}]$
Moment of a force = Force $ \times $ Distance = $[M{L^2}{T^{ – 2}}]$
Moment of a force = Force $ \times $ Distance = $[M{L^2}{T^{ – 2}}]$
Standard 11
Physics
