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Forces and Motion

How can a Velocity - Time Graph
be used to show the Motion of an Object?

You may be shown a graph like the one below
and be asked to describe the motion of the object.

In region A the object is moving with constant acceleration.

In region B the object is moving with constant velocity.

In region C the object is again moving with constant acceleration
but compared with region A
1. the acceleration is slower because the slope is less steep
2. the acceleration is negative because the slope is downwards.

The total distance travelled by the object can be calculated
by measuring the area under the graph.

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