Thermodynamics and Statistical Mechanics

Why is acceleration zero with uniform velocity?

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Answered 2012-06-27 16:06:44

Uniform velocity means the velocity is not changing. Acceleration is defined as the rate of change of velocity. If velocity isn't changing, the rate of change is zero.

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"Uniform velocity" means zero acceleration, that is, constant speed in a straight line.rate of change of velocity is zero

The body is not zero, but the sum of all forces on it is. -- "Uniform velocity" means no acceleration. -- Acceleration is force/mass . -- If acceleration is zero, that's an indication that force must be zero.

Acceleration is change of velocity divided by time; so if the velocity doesn't change, acceleration is zero.

velocity may be zero or may not be zero i.e. if the object may continue to move with uniform velocity.

If there is acceleration (uniform or otherwise, but non-zero acceleration), the velocity changes. Constant velocity means that the velocity does not change.

A body moving with uniform velocity has zero acceleration.

"Uniform velocity" means constant speed in a straight line.That's a good working definition of zeroacceleration.

For velocity to be truly uniform, the object must be moving in a straight line. If that is the case then the acceleration is Zero.

No. Acceleration is the change of velocity. If velocity is constant, at any speed, acceleration is zero.

zero because the initial and final velocity is constant . so,difference bet. final velocity and initial velocity is zero

As long as it has a non-zero velocity, it will have a non-zero momentum.

No, uniform angular velocity means no angular acceleration.

"Uniform motion" means constant velocity ... constant speed in a straight line. "Acceleration" means any change in velocity ... speed or direction. So 'uniform motion' means zero acceleration.

A particle moving with a constant velocity has no acceleration. Acceleration is the change in velocity over time. If the velocity is constant, there can be no acceleration. For you Calculus junkies, dv/dt (v is velocity) is acceleration, and will equal zero if v is a constant.

If an object has zero acceleration, its velocity doesn't have to be zero. Acceleration is a measure of the change in velocity over time. Zero acceleration means there is no change in velocity over time, namely constant velocity. Constant velocity can be any velocity (including zero velocity or "at rest"), so the object's velocity doesn't have to be zero to have zero acceleration.

Acceleration is (delta velocity) / (delta time), that is, change in velocity per time unit. In this case, since the velocity doesn't change, the acceleration is zero.

Although the question is stated in a somewhat confusing way, we can state withconfidence that the velocity of the car is NOT uniform, because a value is given forits acceleration. 'Uniform' motion means zero acceleration.

Net force and so net acceleration becomes zero and so the velocity becomes constant ie uniform.

no..the velocity changes,whereas acceleration remains uniform no..the velocity changes,whereas acceleration remains uniform

Acceleration refers to the change of velocity per time unit. If the velocity doesn't change, acceleration is zero.

Uniform velocity is velocity unaffected by acceleration. Variable velocity is velocity affected by acceleration. Lauren "Physics above all!"

When the body moves with uniform velocity its acceleration is 0. Pls explain.

Whenever velocity is constant, the acceleration is zero. This also works when the velocity is zero, the acceleration is zero. That pretty much means the object isn't moving. But, yes/ If velocity is constant, accleration is zero.

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