Question

Multiple choice Question

1. When an object is moving along straight line in uniform velocity ?

(a) its acceleration will be positive

(b) its acceleration will be negative

(c) it's acceleration is zero ​

Answer 1

When an object is moving along straight line in uniform velocity ?

(a) its acceleration will be positive

(b) its acceleration will be negative

(c) it's acceleration is zero

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It's acceleration is zero

Explaintion

Uniform velocity of an object moving along straight line is defined as the ratio of dislacement to time of covered distance atconstant or uniform speed. it is also calleduniform linear velocity. v=s÷t.

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Answer 2

Answer:

(C) is correct

Explanation:

Your question:-

• When an object is moving along straight line in uniform velocity?

Velocity is given uniform and it's moving along x-axis (1-D motion)

$a = \frac{vf - vi}{t} \: or \: \frac{change \: in \: velocity}{time}$

Here velocity is uniform it means body is covering equal distance in equal interval of time.

It means change in velocity=0

Therefore it can be concluded that acceleration is 0 as velocity is uniform.

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Overall conclusion- whenever velocity is uniform it means there is no net acceleration on a body moving along straight line

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