Unit for acceleration?

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Prepare for the Year 10 Force and Motion Test. Utilize flashcards and multiple-choice questions with clear hints and explanations to ensure success. Equip yourself for excellence on your exam!

Multiple Choice

Unit for acceleration?

Explanation:
Acceleration is how quickly velocity changes over time. Since velocity is measured in meters per second, the change in velocity per unit time has units of (m/s) per second, which simplifies to meters per second squared (m/s^2). In formula form, acceleration = Δv/Δt, so the units become (m/s)/s = m/s^2. The other options are units of time or of velocity, not of the rate at which velocity changes, so they don’t describe acceleration.

Acceleration is how quickly velocity changes over time. Since velocity is measured in meters per second, the change in velocity per unit time has units of (m/s) per second, which simplifies to meters per second squared (m/s^2). In formula form, acceleration = Δv/Δt, so the units become (m/s)/s = m/s^2. The other options are units of time or of velocity, not of the rate at which velocity changes, so they don’t describe acceleration.

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