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Kinematics — Physics STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11PhysicsKinematics2 Marks
Question
What are positive and negative acceleration in straight line motion?
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Answer

If speed of an object increases with time, its acceleration is positive. (Acceleration is in the direction of motion) and if speed of an object decreases with time its acceleration is negative (Acceleration is opposite to the direction of motion).

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