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# What is a velocity versus time graph used for?

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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.

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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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## Related Questions

• 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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An object's acceleration is constant and downward due to the force of gravity In projectile motion, but the object's velocity reverses direction during the object's motion. This is because of the inertia described in Newton's first law of motion and because acceleration and velocity are two different physical quantities. Velocity is the speed and direction of an object, while acceleration is the rate that the velocity changes.

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An object is said to have uniform velocity if the direction of motion and the rate at which the object changes its position is constant. In other words, an object with uniform velocity continues to cover the same amount of distance over the same time interval without changing its direction.