Physics · MOTION IN A STRAIGHT LINE
हिन्दीGiven below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The position-time graph of an object with negative acceleration curves downward. Reason (R): Negative acceleration means the slope of the position-time graph is negative and decreasing. In the light of the above statements, choose the correct answer from the options given below:
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Correct answer · Option C
(A) is true but (R) is false.
Explanation
Negative acceleration causes the position-time curve to open downward (concave down), but the slope itself represents velocity, which may be positive or negative.