# What Causes a Change in Velocity?

Velocity is made up of speed and direction. A change in velocity can be a result of varying forces. If the object changes its direction, or its speed the result will be a change in its velocity. An unbalance in force can also result in a change of velocity.
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Q&A Related to "What Causes a Change in Velocity?"
 Though Newton's law states that a body in motion stays in motion, in real life you know that a moving object eventually slows down. This is due to the force caused by friction, which http://www.ehow.com/info_8571303_causes-change-vel...
 when the forces acting on the object are unbalanced. http://wiki.answers.com/Q/What_causes_a_change_in_...
 The rate of change in velocity is defined by the acceleration. The formula to figure it out is: A=dv/dt. DV is the change in velocity over the DT (which is the time difference). http://answers.ask.com/Science/Physics/what_is_the...
 velocity consists of a direction and a speed. So if you have a change in direction and/or a change in speed the velocity will change. http://answers.yahoo.com/question/index?qid=200810...
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