Acceleration Along a Straight Line (HSC SSCE Physics): Flashcards

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Acceleration Along a Straight Line
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What acceleration measures

How quickly velocity changes over time

Formula for average acceleration

aavg=ΔvΔt=vf−vita_{avg} = \frac{\Delta v}{\Delta t} = \frac{v_f - v_i}{t}

Units of acceleration

m⋅s−2\text{m} \cdot \text{s}^{-2} (metres per second squared)

Positive acceleration means

Speed increasing in the positive direction

Negative acceleration means

Speed decreasing in the positive direction

Instantaneous acceleration

Acceleration at one exact moment in time

Gradient of velocity-time graph gives

Acceleration

Area under velocity-time graph gives

Displacement

Area under acceleration-time graph gives

Change in speed

For constant acceleration, aavga_{avg} equals

ainsta_{inst} (instantaneous acceleration)

Explore HSC SSCE Physics Revision Notes by Topics

Motion in a Straight Line

Motion on a Plane

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Motion in a Straight Line

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Motion in a Straight Line

Motion on a Plane

Explore HSC SSCE Physics Exam Questions by Topics

Motion in a Straight Line

Motion on a Plane

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