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Representing motion

Distance-time graph

Slope on distance time graph represents speed. 

Speed is distance divided by time taken. (

  • When object stationary graph is horizontal
  • Steady speed= sloped but straight line.
  • Steeper the line- greater speed
  • Returning to start- downwards straight line. 

Gradient= change in vertical axis

                  Change in horizontal

  • The gradient on DISTANCE- TIME graph represents speed.

Velocity time graph

Slope on velocity time graph represents acceleration

Distance Travelled= area under velocity time graph.

Velocity= speed with a given direction

Acceleration is change in velocity divided by time taken (

  • When object is moving at a constant velocity graph is horizontal
  • Constant acceleration- sloped line
  • Constant decceleration- sloped line downwards

The gradient of a line on a velocity-time graph represents the acceleration of the object. REMBEMBER ALWAYS m/s2

The area- area under the line in a velocity-time graph represents the distance travelled.

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