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2010-12-13 02:13:40
2010-12-13 02:13:40

Velocity is a vector quantity. That means it has direction and magnitude. Speed is a scalar quantity, it only has magnitude.

It is possible to have constant speed and constant velocity but it is also possible to have constant speed but changing velocity if the object is changing direction.

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Related Questions


Yes. An object moving in a straight line at constant speed has constant velocity.


Momentum. If an object has constant velocity, the object will move because it has momentum. Momentum tends to stay the same unless changed by a force.


No. If it its moving at constant velocity, its instantaneous velocity would be the same as its constant velocity.


Terminal velocity is the velocity of a falling object once it has become constant, so they are the same thing.


same speed , coz velocity is constant velocity consists of speed and direction...


No, the definition of acceleration is the increase change in velocity over time. An acceleration can also be a decrease in velocity over time. Constant velocity refers to an object that maintains the same velocity as time progresses. If the object has an acceleration, its velocity will not remain constant. In the case of rotational velocity there is a constant internal acceleration that has the magnitude v2/r


Yes. An object moving at constant velocity would have zero acceleration.


As long as acceleration is zero, the object's velocity is constant.


Constant velocity has speed always constant along the direction with respect to time. Variable velocity changes its speed with respect to time. Constant velocity has zero acceleration. Variable velocity has non-zero acceleration . An object moving at a constant velocity maintains both the same speed and direction. An object moving at a variable velocity can be changing speed or direction of travel or both.


because the force is application on an object is not in the same direction


an acceleration of Zero, and a constant Inertia.


Objects moving in uniform circular motion will have a constant speed, and two objects with the same acceleration have a constant velocity.


because it wont be as heavy when it stays having the same velocity


The change in velocity is the same in equal time intervals, ie it is constant.


If the sum of all forces on an object is zero, then the object remains in constant velocity. Constant velocity means motion in a straight line at a constant speed. "Rest" is just constant velocity with a speed of zero. If the sum of all forces on an object is NOT zero, then the object's velocity must change. The change may consist of speeding up, slowing down, or turning in a different direction. If the sum of the forces is in the same direction as the object's motion, then the object must speed up.




If the sum of all forces on an object is zero, then the object remains in constant, uniform motion. 'Constant uniform motion' means motion in a straight line at a constant speed. The physical description of such motion is "constant velocity". "Rest" is just constant velocity with a speed of zero. If the sum of all forces on an object is NOT zero, then the object's velocity must change. The change may consist of speeding up, slowing down, or turning in a different direction. If the sum of the forces is in the same direction as the object's motion, then the object must speed up.


Not sure what you mean by exceloration.Constant acceleration is the state when the velocity of an object is changing at the same rate with respect to time.


Constant speed is movement at a fixed (constant) distance per unit of time. The same amount of distance is covered by the object in the same amount of time at each measurement of that same interval. An example of an object moving at a constant speed might be an object in orbit. Something up their above the drag of the atmosphere will move at a constant speed, and will continuously move around the earth at the same speed. Note that velocity is speed with a direction vector. An object in orbit will have a constant speed, but its velocity will be constantly changing because it is constantly changing the direction it is moving.


The velocity does not change direction or magnitude. The object 1) may not be moving, or it 2) may be moving at a constant velocity. In the case of the latter, that means it's moving in the same direction and at a constant speed.


Answer: yes velocity because velocity is traveling in the same direction at the same speed so yes it is traveling in a straight line


When an object is in constant motion (when there is no acceleration). At any point in that motion the average and instantaneous velocities will be the same.


momentum = mass * velocity As the momentum changes with constant mass, the velocity cahnges.


constant velocity means the speed and direction are the same.



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