Multiple choice

Which of the following determines the mass of a body?

  1. Velocity/acceleration

  2. Applied force/velocity

  3. Applied force/acceleration

  4. Applied force/increase in momentum

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

From Newton's second law: F = ma, rearranged gives m = F/a. Mass equals applied force divided by resulting acceleration. Option D (F/Δp) is incorrect because Δp = F·Δt, so F/Δp = 1/Δt, not mass. Options A and B incorrectly use velocity instead of acceleration.

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