Another expression for force is mass times velocity divided by time.

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Multiple Choice

Another expression for force is mass times velocity divided by time.

Explanation:
The key idea is Newton’s second law: force equals mass times acceleration (F = m a). Acceleration is the rate of change of velocity, a = Δv/Δt. If velocity goes from zero to v in time t, then a = v/t, and substituting gives F = m (v/t). So mass multiplied by velocity divided by time represents force in that specific scenario (constant acceleration starting from rest). The other expressions refer to different quantities: mass × gravity is weight, mass ÷ volume is density, and velocity × time is distance.

The key idea is Newton’s second law: force equals mass times acceleration (F = m a). Acceleration is the rate of change of velocity, a = Δv/Δt. If velocity goes from zero to v in time t, then a = v/t, and substituting gives F = m (v/t). So mass multiplied by velocity divided by time represents force in that specific scenario (constant acceleration starting from rest). The other expressions refer to different quantities: mass × gravity is weight, mass ÷ volume is density, and velocity × time is distance.

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