Question

using method of dimensions , show that Newton and kgm^‐2 represent the same physical quantity​

Answer 1

Answer:

Yes they do represent the same quantities

Explanation:

let the dimensions of mass=M ,Time = T and Length = L

Also we know that Newton is the unit of force.

Force = Mass × Acceleration .

dimensions of mass = [M]

dimensions of acceleration = [LT^-2]

This is because Acceleration is the rate if change if velocity and therefore LT^-2

Hence product = MLT^-2 = kgms^-2

so N and kgms^-2 represent same thing

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