Question

The dimensional formula for impulse is

• A. $M{L}^{-1}{T}^{-1}$
• B. $M^{-1}L{T}^{-1}$
• C. $M{L}^{-1}T$
• D. $ML{T}^{-1}$

Answer 1

Answer: (D)

Impulse = force $\times$ time $=\left[ML{T}^{-2}\right][T]$
$=\left[ML{T}^{-1}\right]$