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POSITION ON TIME GRAPHS. The Axis. The X-axis is time The Y-axis is position This needs to go positive and negative. – Position (m) + . Time (s). Upward lines. Upward lines (positive slopes) mean the object is going forward / right Steeper lines mean faster velocity.

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The axis
The Axis

  • The X-axis is time

  • The Y-axis is position

    • This needs to go positive and negative

– Position (m) +

Time (s)


Upward lines
Upward lines

  • Upward lines (positive slopes) mean the object is going forward / right

  • Steeper lines mean faster velocity

– Position (m) +

Time (s)


Downward lines
Downward lines

  • Downward lines (negative slope) mean the object is moving backwards or left.

  • Steeper lines mean faster velocity

– Position (m) +

Time (s)


Horizontal line
Horizontal line

  • A horizontal or flat line means that the object is not moving (staying at the same position).

  • Flat lines mean no velocity

– Position (m) +

Time (s)


Calculating velocity
Calculating velocity

  • These graphs can show velocity by calculating the slope

    • The steeper the slope the faster the object’s velocity

  • Slope is rise / run. So (positionf – positioni) / (timef – timei)


Practice 1 2 3 4
Practice 1, 2, 3, & 4

– Position (m) +

Time (s)


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