The dimensional formula for impulse is

Impulse = Force X Time

Hence, the dimensional formula for impulse is [M L T-1].

Explanation

Impulse can be defined as the sudden force acting on an object for a short interval of time.

Dimensional formula of impulse

We know that the formula of force is given by

Impulse= Force X Time

Also from Newton’s second law of motion

Force = Mass X Acceleration

Hence the dimensional formula of force is M1 L1 T-2

On substituting the force dimensional formula in the formula of impulse we get,

Impulse = Force × Time

I = [M1 L1 T-2] × [T] = [M1 L1 T-1]

The impulse is dimensionally described as [M1 L1 T-1].

 

 

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