Physics
Kinematics

# Can a body have constant velocity but have variable speed explain?

###### Wiki User

No. Speed is the magnitude of velocity. If the speed varies, so will the velocity, even if you are moving in a uniform direction.

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## Related Questions

### What is the difference between constant velocity and variable velocity?

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.

### Can an object have constant velocity and but variable speed?

No. Velocity has two parts, speed and direction A constant velocity means that both the speed and the direction must be constant. So a constant velocity must have a constant speed.

### Can a body have a constant velocity but a varying speed?

No. Velocity is speed and direction. If you change either variable, the velocity will no longer be constant.

### Can an object have constant velocity and still have varying speed..explain?

Velocity is a vector. A vector has a magnitude and a direction. The scalar or magnitude portion of velocity is speed. Velocity is a constant only when both the speed and direction are not varying. Hence, when the speed is changing, the velocity cannot be a constant.

### Can an object have constant speed but variable velocity?

I think a body in uniform circular motion can have a constant speed, but variable velocity. Since this body is in circular motion, it changes it's direction. Thus having a variable velocity.

### What is the condition in which a body moving with uniform speed has variable velocity?

Uniform circular motion. The speed is constant but the direction thus the velocity is variable.

### Can you go around a curve with constant velocity?

No. Constant velocity implies a constant speed, AND a constant direction.No. Constant velocity implies a constant speed, AND a constant direction.No. Constant velocity implies a constant speed, AND a constant direction.No. Constant velocity implies a constant speed, AND a constant direction.

### Can an objeact have constant speed and but variable velocity?

Speed is a scalar quantity while velocity is a vector quantity.It is possible that an object can have constant speed but if speed is constant while direction of motion is changing constantly then it means that body has variable velocity.An example of this phenomena is a body moving in a circle whose speed is constant but velocity is changing every instant due to change in direction at every instant.

### Are you accelerating if you are traveling in a constant direction with constant speed and explain?

If you are traveling in a constant direction with constant speed there are no changes in velocity, so you are not accelerating.

### Can the speed of an object changes if there is constant velocity?

No, constant velocity implies constant speed. But velocity can change even when speed remains constant, since speed is a scalar quantity but velocity is a vector quantity.

### Can object travilling at constant speed have an acceleration Explain?

Yes. Acceleration is defined as a change in velocity, and velocity is a measure of speed AND direction. Maintaining a constant speed while rounding a corner is an example of acceleration.

### Is constant speed constant velocity?

No. Velocity includes a direction vector, which speed does not have.

### Are you accelerating if you are traveling at a constant speed with changing direction and Explain?

If you are traveling at a constant speed with changing direction there is a change in velocity, so you are accelerating.

### Are you accelerating if you are traveling in a constant direction with changing speed and explain?

If you are traveling in a constant direction with changing speed there is a change in velocity, so you are accelerating.

### Moving at constant velocity is also moving with constant speed?

Velocity is Speed in a given direction. Moving at constant velocity is equivalent to say moving with a constant speed in a specified direction. So, moving at constant velocity implicitly means moving with constant speed.

### For an object to be moving at a constant velocity is it necessary for it to be moving in a straight line?

Velocity is a vector quantity in which both magnitude and direction must be taken into consideration. For an object to have constant velocity, it is necessary that both the magnitude and the direction of the velocity must be constant. Even if either magnitude or direction is variable, velocity will not remain constant. On the other hand, speed remains constant if direction is changed and magnitude is kept constant, as speed is a scalar quantity.For an object to have constant velocity, it is necessary that the object move at a constant speed and not change course. That object must move in a straight line to have a constant velocity.

### Explain why velocity changes while driving around a circular track even if the speed is constant?

Velocity consists of a speed and a direction. If any of the two changes, the velocity changes.

### Can an object have a varying speed it its velocity is constant?

No. Speed is the magnitude of the velocity. If either or both the speed and direction vary, the velocity is not constant.

### Why achanging velocity cannot maintaining constant speed?

A changing velocity can maintain constant speed if the motion is circular. The constant change in direction is a change in velocity, even if the speed is constant.

### Can a particle with constant speed be accelerating what if it has constant velocity?

Velocity is speed together with its direction.Acceleration indicates a change in velocity ... speed or direction or both.Change of direction means acceleration, even if speed is constant.Constant velocity means constant speed and direction ... zero acceleration.

### Is it possible for a body to have constant speed but variable velocity?

Yes. Velocity includes the direction of the motion. If the direction changes, then that meansthe velocity changes, even if the speed is constant.Anything rotating at constant speed in a closed path has constantly-changing velocity.Like a point on a phonograph record, a point on a hard disk drive, or an orbiting TV satellite.

### Does constant speed mean constant velocity?

No. Circular motion can have constant speed but varying velocity. Constant speed means constant speed in any direction, like a car on cruise control turning a corner. Constant velocity means constant speed in a straight line. If the direction changes, that's considered a change in velocity.

### If a ferris wheel is rotating at constant speed is it moving at a constant velocity?

No. Velocity combines speed and the direction of motion.Constant velocity is constant speed in a straight line.In circular motion, the velocity is always changing even if the speed is constant,because the direction is always changing.

### If a car moves with a constant velocity does it also move with a constant speed?

Velocity is a quantity that has magnitude and direction. The magnitude of velocity is what we call "speed".If the velocity is constant, then its magnitude and direction are both constant.Constant magnitude means constant speed.So the answer to the question is "Yes".

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