Is it true that the velocity-time graph will be a straight line?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
There is no tangential acceleration that can modify the speed of a body in uniform motion, hence the magnitude of its velocity is constant across time. The velocity-time graph will thus be a straight line for uniform motion. Because there is no tangential acceleration, the body's speed in uniform motion stays constant, meaning the velocity's magnitude stays constant.
Since acceleration determines the slope of the velocity-time graph, a zero acceleration indicates a zero slope. The graph will therefore be made up entirely of a straight line with no slope.

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