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Yes. When the change in velocity (final velocity-initial velocity) is negative, the acceleration will be negative. For example, when a vehicle slows down to a stop, the change in velocity is negative because the final velocity is less than the initial velocity, which makes the change in velocity negative. Therefore the acceleration will be negative. a=(vf-vi)/(t2-t1)

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โˆ™ 2017-10-14 22:44:00
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Q: Can an object acceleration be a negative?
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Explain the difference between positive and negative acceleration?

Positive acceleration results in the object speeding up, such as a car going from 0mph to 30mph. Negative acceleration is the object decelerating, such as using the brake in a car.


How are negative and positive acceleration different?

Acceleration is a vector. It has both a magnitude and a direction. So you first have to choose which direction is positive. Lets say we choose "left" as negative and "right" as positive. If an object is increasing speed (positive magnitude) while moving Right (positive direction) its acceleration is Positive' If an object is decreasing speed (negative magnitude) while moving Right (positive direction) its acceleration is Negative. If an object is increasing speed (positive) while moving Left (negative direction) its acceleration is Negative. If an object is decreasing speed (negative) while moving Left (negative) its acceleration is Positive. For vertical motion you would probably choose "up" as positive and "down" as negative.


When an object slows down its acceleration is?

When an object slows down, its acceleration is negative (in a linear sense), or in a direction opposed to its motion (in a vector sense).


Speed that does not change is called?

A change in speed is a change in velocity - so, a change in speed is an example of acceleration! Acceleration may be positive or negative. Negative acceleration is sometimes called deceleration. When a force acts on an object; it may change the object's acceleration (speed, direction, or both).


On a speed time graph a line with a negative slope indicates that the object is?

This would indicate negative acceleration, which would mean that the object in question is speeding up.

Related questions

What is deceleration or negative acceleration?

Deceleration or negative acceleration is when an object or thing gets slower


When an object slows it has what acceleration?

Retardation or negative acceleration or deceleration.


What is happening to an object when it has a negative acceleration?

I goes the negative direction ;)


What is the acceleration of an object when the object maybe coming to a stop?

Negative


When an object slows down it has what acceleration?

Retardation or negative acceleration or deceleration.


Can the acceleration of an object be negative when its velocity is positive?

no


Is it possible for an object to have a positive velocity at the same time that it has a negative acceleration?

Yes, all a negative acceleration means is the object is slowing down.


Can acceleration ever be negative?

Acceleration is negative when the object is moving in the opposite direction. on a graph the line would be in the negative quadrant.


When can both velocity and acceleration be negative?

Both velocity and acceleration can be negative when an object is slowing down, or when an object accelerates backwards, which is a negative direction, such as a car backing out of a driveway.


Is it true if an object is speeding up its acceleration is positiveif an object is slowing downits acceleration is negative?

yes


Can the velocity of an object be positive and acceleration negative?

Yes. An object slowing down but still moving in a positive direction has a positive velocity but a negative acceleration.


Does a negative acceleration always mean that an object is slowing down?

No. A negative acceleration could mean a change in direction

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