Question

Acceleration is a vector quantity, which indicates that its value * 1 point a) is always negative b) is always positive (c) is zero d) can be positive, negative or zero

Answer 1

Answer:

its a vector quantity so its value can be either "positive" or "negative".

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Answer 2

Given : Acceleration is a vector Quantity

To Find :  Correct option

(a) Is always negative

(b) Is always positive

(c) Is zero

(d) Can be positive, negative or zero

Solution:

Acceleration is a vector Quantity

Vector Quantities have magnitude and  direction

Hence Acceleration can be positive, negative or zero

Acceleration = Rate of change of velocity

If Velocity Increases , Acceleration is positive

If Velocity is constant , Acceleration is zero

If Velocity decreases , Acceleration is  negative

Hence Acceleration can be positive, negative or zero

correct option is  (d) Can be positive, negative or zero

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