If the slope of a velocity-time graph gradually increases, then the body is said to be moving with
Correct answer: B. Positive acceleration.
- A. Uniform velocity.
- B. Positive acceleration.
- C. Negative acceleration.
- D. Instantaneous velocity.
Explanation
The correct answer is positive acceleration. On a velocity-time graph, the slope represents acceleration. If the slope is gradually increasing, it means that the velocity of the object is increasing with time, which is indicative of positive acceleration. Uniform velocity would imply a constant slope (a straight line), negative acceleration would be shown by a decreasing slope, and instantaneous velocity is a specific point value on the graph, not related to changes in slope.
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About Acceleration
Acceleration measures the rate at which velocity changes with time, including changes in speed, direction or both. Work includes average and instantaneous acceleration, the relation a = Δv/Δt, uniform acceleration equations, and interpreting velocity time and displacement time graphs, with acceleration carefully distinguished from velocity.
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