The velocity of an object is positive and steadily increasing. Which of the following graphs represents how the acceleration of the object changes with time?
(Click picture for answers)

If an object's velocity is steadily increasing it means that the acceleration is constant at a certain value.

Choice A shows an acceleration of zero which would only be true if the object was not moving or if its velocity was not changing.

Choice B gives us a graph showing acceleration increasing over time and is therefore incorrect.

Choice C is correct because the acceleration is constant. Steadily increasing tells us that the acceleration is fixed at a certain value.

Choice D is incorrect an represents a constant negative acceleration. This would be the case if the object was steadily decreasing in velocity.

The velocity of an object is positive and steadily increasing. Which of the following graphs represents how the acceleration of the object changes with time? (Click picture for answers)

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The velocity of an object is positive and steadily increasing. Which of the following graphs represents how the acceleration of the object changes with time?
(Click picture for answers)