Top Answer

Yes, decreasing acceleration could still be positive, which yields an increase in velocity (speed).

Velocity is the rate of change of position, and acceleration is the rate of change of velocity. As long as the acceleration is positive, then velocity is increasing. If acceleration becomes negative, then velocity is decreasing.

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I second that accelerated motion !

Even if the acceleration is petering out, as long as it's still more than zero,

the speed can be increasing.

By the way ... you can have a big solid acceleration, and it doesn't mean that the

speed or the size of the velocity has to be increasing.

Or even changing.

But that's another story.

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0Its velocity is increasing or decreasing (its velocity is not constant).

If an object is sustaining a constant velocity it has 0 acceleration, because acceleration is either increasing or decreasing speed.

Acceleration is the change in velocity of an object. If an object is travelling at an unchanging speed, its speed is neither increasing (which would make a positive acceleration) nor decreasing (which would make a negative acceleration). Thus, the acceleration is 0.

No. If the acceleration is decreasing, its speed will also decrease.

If your acceleration is increasing then by default your velocity has to increase. Acceleration = velocity/time so if acceleration is increasing the velocity is also increasing... And just for fun, just as the change in distance is velocity, and change in velocity is acceleration with respect to time, the change in acceleration with respect to Time is called a jerk

if its velocity is increasing or decreasing

It velocity is constantly increasing, v=vo + at.

When an object is moving upwards, its velocity is directed upwards. If the object is near the Earth or any other planet, then its acceleration is directed downwards, which also means that its upward velocity is decreasing.

Velocity basically means how fast you are going. Acceleration means how much your speed is increasing. So if there is zero velocity that means the object is not moving. If there is zero acceleration, that means that the speed is not increasing but there is actual speed and the object is not increasing it's speed what ever that may be.

no because acceleration can be negative due to decreasing of velocity so its not possible

Acceleration is defined as change of velocity so the answer to the question is yes. Negative acceleration (ie when velocity is decreasing) is called deceleration.

If the distance is not changing, the object is not moving. If the distance is increasing or decreasing linearly then the object is moving at a constant velocity. If the distance is increasing or decreasing parabolically then the object is being accelerated or decellerated.

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

Of course. That's exactly what's going on when a car driving east slows down for a stop sign or an intersection. Westward acceleration means either westward velocity is increasing or eastward velocity is decreasing.

An object with constant velocity has no acceleration.

This object is changing its position, its velocity, and its acceleration.This object is changing its position, its velocity, and its acceleration.This object is changing its position, its velocity, and its acceleration.This object is changing its position, its velocity, and its acceleration.

An object can indeed change velocity when its acceleration is constant as long as its acceleration is not zero. (If an object is not accelerated, its velocity cannot change.) Recall that velocity is speed plus a direction vector. A rock is falling under the force of gravity from a mile up. Its acceleration is constant. The force of gravity is not increasing or decreasing is it? No, it is not. (That's why we call it a gravitational constant.) So the rock is operating under constant acceleration (of one earth gravity, or 1 g) and its velocity is increasing. At some point in its fall, at some exact moment in time, our rock had an instantaneous velocity of 20 meters per second down. (Down is the direction vector.)

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

The acceleration of an object is related to velocity since acceleration is the rate of change of velocity.

That an object is losing speed. It is experiencing negative acceleration.

Velocity. A change in VELOCITY will always indicate the acceleration of an object.

in science, acceleration refers to increasing speed, decreasing speed, and changing direction.

No, due to acceleration its velocity goes on increasing. It is given as v = g t

Yes. Even though the acceleration rate is decreasing, it is still accelerating but at a lower (or slower?) rate. When acceleration rate reaches 0, the speed stops increasing and remains steady.

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