Dimensional formula of impulse

Impulse
[M L T−1]
Written in full: [M¹ L¹ T⁻¹ A⁰ K⁰]

How to derive it

Impulse = Force × Time

Put in the dimensions of each part: [MLT⁻²] × [T] = [M L T⁻¹].

mass (M)
1
length (L)
1
time (T)
-1
current (A)
0
temperature (K)
0

SI unit

The SI unit of impulse is N·s.

Same dimensions as impulse

These quantities have exactly the same dimensions, a favourite trick in JEE and NEET "which pair has the same dimensions" questions:

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More from Laws of motion

QuantityFormula
Force[M L T−2]