Velocity-time graphs (Edexcel GCSE Physics Combined Science): Flashcards

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Velocity-time graphs
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What velocity-time graphs show

How an object's velocity changes over time

Y-axis on velocity-time graph

Velocity in m/s\text{m/s}

X-axis on velocity-time graph

Time in s\text{s}

Steep line on v-t graph means

Constant acceleration

Flat line on v-t graph means

Constant velocity

Sloping down on v-t graph means

Deceleration

Area under v-t graph gives

Total distance travelled

Gradient of v-t graph gives

Acceleration

Acceleration formula from v-t graph

a=Δvta = \frac{\Delta v}{t}

How to find distance on v-t graph

Calculate area under the curve

Area of rectangle formula

Base×Height\text{Base} \times \text{Height}

Area of triangle formula

0.5×Base×Height0.5 \times \text{Base} \times \text{Height}

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