Question

what do you mean by acceleration? What it is positive or negative in zero

Answer 1

Answer:

hy your answer

Explanation:

In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Accelerations are vector quantities. The orientation of an object's acceleration is given by the orientation of the net force acting on that object. Wikipedia

SI unit: m/s2, m·s−2, m s−2

Dimension: L T −2

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Answer 2

Answer:

Acceleration is the change of velocity per unit time of an object. It can be positive, negative or zero. If it is positive, then the object is accelerating and the speed is increasing. If it is zero, then the speed remains the same. If it is negative, then it is decelerating or retarding in which speed is decreasing.

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