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Answered 2017-10-03 00:50:39

An object accelerates if its velocity changes. More precisely, "acceleration" is the rate of change of velocity (how quickly velocity changes), or in symbols, dv/dt.

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An object is accelerating when its speed or direction changes


An object is not accelerating when it is moving in a straight line at an unchanging speed (which may be zero).


An object is accelerating if its speed or direction changes with time. Since speed and direction are the components of velocity, an object is accelerating if its velocity changes with time.


An object that is accelerating may be slowing down, gaining speed, and changing direction.


An object will continue accelerating as long as there is a force acting on it. (Newton's Second Law)


An accelerating object is one that is changing in either speed or direction. Thus any object that is turning is accelerating while maintaining a constant speed.



As I see it, you have three choices.1). Decrease the force that is acting on the object and accelerating it in the directionin which it is accelerating.2). Apply a force to the object in the direction opposite to the direction in whichit is accelerating.3). Glue some additional pieces onto the object, to increase its mass.


An object that is accelerating may slow down, speed up, or change direction.



Yes, it can. When an object has constant speed it has no acceleration.



An object with a constant (vector)velocity is not accelerating. An object with a constand (scalar)speed can actually be accelerating, a car with a constant speed that passes around a corner is changing direction and is subjected to a lateral acceleration.


it stops accelerating at terminal velocity due to the air


Drop an object from a height h. In the beginning, its velocity is zero, but it is accelerating towards the center of the earth with acceleration g.



When an object slows down it is still accelerating.



Assuming the object is in free fall the only thing that can keep the object from accelerating in the opposing force of kinetic friction upward by air (known as air resistance).


The object's velocityi will change.


No. An object traveling at a constant velocity is not accelerating.


Yes. If the velocity is increasing it is called (positively) accelerating and if the velocity is decreasing it is negatively accelerating also called decelerating.


Acceleration is the rate of change of the velocity. Accelerating mean the object is increasing the velocity with time.


When a falling object stops accelerating but is falling at a constant velocity, it is called terminal velocity.


Acceleration is the time rate of change of velocity. Velocity is a vector. It has a magnitude ( speed ) and a directio. If either the speed or the direction of motion changes the object is accelerating. Example; an object moving in a circle at constant speed is accelerating because its direction is continually changing.