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

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Distance-time graphs
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What distance-time graphs show

How far an object travels over a period of time

X-axis on distance-time graph

Time in seconds (s)

Y-axis on distance-time graph

Distance in metres (m)

Steeper line on distance-time graph means

Faster speed

Flat line on distance-time graph means

Stationary object (gradient is 0)

Steepening curve on distance-time graph means

Acceleration

Flattening curve on distance-time graph means

Deceleration

Gradient on distance-time graph tells us

Speed of the object

Formula for gradient on distance-time graph

ΔDΔT\frac{\Delta D}{\Delta T}

What ΔD\Delta D represents

Change in distance

What ΔT\Delta T represents

Change in time

Meaning of delta symbol (Δ\Delta)

Change

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