# Civil Engineering - Applied Mechanics - Discussion

Discussion Forum : Applied Mechanics - Section 1 (Q.No. 9)

9.

If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with

Discussion:

35 comments Page 1 of 4.
Husnain Rehmat said:
1 year ago

If the velocity of a body increases by equal amounts in equal intervals of time, then the body is said to be moving with uniform acceleration.

This is because acceleration is defined as the rate of change of velocity with time. If the velocity is changing by equal amounts in equal intervals of time, then the acceleration is constant, and the body is said to be moving with uniform acceleration.

Suppose velocity is increasing in such way that at t=1 distance is 2m and t=2 distance is 4m and similarly, t=3 distance is 6m then velocity V1=2m/s and V2=4m/s and V3 = 6m.

Now for Acceleration =change in velocity/change in time.

a1 = 2-0/1-0 = 2m^2/s.

a2 = 4-2/2-1 = 2m^2/s

a3 = 6-4/3-1 = 2m^2/s

Option B, "a uniform acceleration", is the correct option in this case.

This is because acceleration is defined as the rate of change of velocity with time. If the velocity is changing by equal amounts in equal intervals of time, then the acceleration is constant, and the body is said to be moving with uniform acceleration.

Suppose velocity is increasing in such way that at t=1 distance is 2m and t=2 distance is 4m and similarly, t=3 distance is 6m then velocity V1=2m/s and V2=4m/s and V3 = 6m.

Now for Acceleration =change in velocity/change in time.

a1 = 2-0/1-0 = 2m^2/s.

a2 = 4-2/2-1 = 2m^2/s

a3 = 6-4/3-1 = 2m^2/s

Option B, "a uniform acceleration", is the correct option in this case.

(2)

S k Mahato said:
2 years ago

Option B is the correct answer.

Nimesh. said:
2 years ago

Uniform acceleration is a change of equal velocity in equal intervals of time.

Non-Uniform acceleration is a change of non-equal velocity in equal intervals of time.

So, the given answer is correct.

Non-Uniform acceleration is a change of non-equal velocity in equal intervals of time.

So, the given answer is correct.

(1)

Syed Afatb Shah said:
2 years ago

I think B is the Correct answer.

Anees said:
2 years ago

The given answer is correct as velocity increases by an equal amount by an equal interval of time.

That means if the current velocity is 10m/s then after 5sec it will be 15m/s and after the next 5sec, it will be 20m/s and so on. As the velocity is changing with time so acceleration is variable.

That means if the current velocity is 10m/s then after 5sec it will be 15m/s and after the next 5sec, it will be 20m/s and so on. As the velocity is changing with time so acceleration is variable.

(3)

Javed said:
3 years ago

Since the velocity increases with time but the interval remains constant so the given answer is correct.

Javed said:
3 years ago

Since the velocity increases with time but the interval remains constant so the given answer is correct.

Susheel kumar said:
3 years ago

The correct option will be uniform acceleration. If it is said that velocity change increases with an equal amount in equal interval time then it is variable acceleration. But in the question, it says the only velocity.

(1)

Mahesh said:
4 years ago

Please explain the right answer.

Meet said:
4 years ago

Here velocity is increased by the time but the time interval is same so acceleration is variable and the given answer is right.

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