Q:

What is a velocity versus time graph used for?

A:

A velocity versus time graph is used to evaluate the acceleration of an object. This is done by looking at the slope of the line on the graph.

A velocity versus time graph plots velocity on the y axis and time on the x axis. If the acceleration of an object is zero, the slope of the line is zero and a horizontal line is seen on the graph. If the acceleration of an object is positive, the slope of the line is positive and the line projects upward. If the acceleration of the object is negative, the slope of the line is negative and the line projects downward.

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    What is net force?

    A:

    A net force is the remaining force that produces any acceleration of an object when all opposing forces have been canceled out. Opposing forces decrease the effect of acceleration, lowering the net force of acceleration acting on an object.

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    How do you know if velocity is changing?

    A:

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    Can the velocity of an object reverse direction while maintaining constant acceleration?

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    What is the definition of uniform velocity?

    A:

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