CIE AS Physics (9702) 2019-2021

Revision Notes

3.1.3 Area under a Velocity-Time Graph

Area under a Velocity-Time Graph

  • Velocity-time graphs show the speed and direction of an object in motion over a specific period of time
  • The area under a velocity-time graph is equal to the displacement of a moving object

displacement = area under a velocity-time graph

v-t area worked example, downloadable AS & A Level Physics revision notes

How to determine the area under a velocity-time graph

Exam Tip

Always check the values given on the y-axis of a motion graph – students often confuse displacement-time graphs and velocity-time graphs.

The area under the graph can often be broken down into triangles, squares and rectangles, so make sure you are comfortable with calculating area!

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