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Answered 2016-02-12 20:21:34

The change in velocity is just the change in velocity. The RATE of change of velocity - how quickly velocity changes - is usually called "acceleration".

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Answered 2016-03-26 20:22:25

It is the difference in the direction or magnitude of the velocity.

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If you exert a force on an object in motion you will change its velocity, velocity being a vector quantity of speed and direction.


Inertia of motion is the resistance mass has to motion. It also is the resistance in change in momentum. Momentum includes two things: velocity and direction. When an object changes its velocity, the momentum of the object resists the change. Also, when an object does change its velocity, its momentum is directly changed. In general, the inertia of motion is matter's unwillingness to change velocity or momentum.


acceleration is change in velocity.. and velocity constantly changes in circular motion, as the direction constantly changes. This constant change in velocity causes the object to accelerate.


Any change in motion (direction or speed) is a change in velocity.Velocity is a vector quantity which means that it has a magnitude and a direction.



For any object to change its motion, it must be accelerated and experiences acceleration. Note that a change in motion is a change in velocity. The object either speeds up, slows down or changes direction, and one of those or some combination is a velocity change. Only acceleration will change velocity. We need to offer the reminder that velocity is speed with a direction vector attached to it. An object can travel at a constant speed and be changing direction. This is a change in velocity because of the change of direction. And a change in velocity is, as stated, initiated by acceleration.


If the speed or direction of motion changes, then the velocity changes.Change in position (location) doesn't need to change the velocity.


Nope. A force is an influence tending to change the motion of an object or produce motion in a stationary object. In other words, force changes velocity.


Velocity is defined as the rate of change of the position of an object in relation to the specification of its speed and direction of motion. Therefore, an object at rest will have zero velocity.


A change in the direction of motion IS a change of velocity,even if the speed doesn't change.


Note that the speed of the object need not necessarily change, as the direction of its motion is also a component of the velocity.


ANSWER 1 - If an unbalanced force acts on an object in motion, then the velocity of the object will change. ANSWER 2 - The object will continue its state of motion. This property is called 'inertia'.



If an object is in motion it has a Velocity, which is speed and direction.


Motion is change of location or position of an object with respect to time. Change in motion is the result of an applied force. Motion is typically described in terms of velocity also seen as speed, acceleration, displacement, and time. However, the motion of an object is only relative to the position of another object. Motion is a change in position of an object with respect to another object.


A force is required to change an object's velocity.


Motion is related to a change in position of an object with respect to time. Motion is typically described in terms of velocity


Curved motion e.g circular motion and changed speed in the same direction.


The velocity of an object in uniform circular motion is constant, because, velocity is the rate of change of position at a given time or speed.


Velocity is a change in an object's motion OR direction of motion.


The object ceases to change velocity (speed and direction).



Yes. Acceleration is the change in velocity, and velocity is a vector, which means it has direction. Because an object undergoing uniform circular motion is changing direction, it is changing velocity, and thus, accelerating.


If the group of forces on an object is unbalanced, then the object can't have constant velocity. Its speed or the direction of its motion must change.


Its velocity is reduced as a result of friction and drag.



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