Multiple choice

Which of the following options is unit of impulse?

  1. Steradian

  2. Newton-sec

  3. Pascal-sec

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Impulse is defined as the product of force and time (J = F × Δt). Its SI unit is Newton-second (N·s), which is equivalent to kg·m/s. Steradian is a unit for solid angle, and Pascal-sec is not a standard unit for any physical quantity.

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