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Answered 2010-03-09 00:29:55
No. Acceleration is simply the change in velocity, or the change in speed, whichever way want to think about it. If the object is slowing down, it has a negative acceleration. If it is speeding up, it has a positive acceleration. If it is at a constant speed/velocity, it has zero acceleration.
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If a moving object speeds up in what direction is the acceleration?
The acceleration is the same direction of the velocity
What is true when the velocity and the acceleration of an object are in the same direction?
In that case, the object speeds up.
Do acceleration only speeds up an object?
No. At least the way the word "acceleration" is used in physics, it refers to any change in velocity, divided by the time it takes for the change.
How does acceleration affect an object's motion?
acceleration slows and speeds up an object's motion. acceleration is the application of force in any direction on an object. it can cause and object to turn also. acceleration is defined as the rate of which and object's velocity changes.
When an object no longer speeds up?
It now lacks acceleration and is either maintaining constant speed or is decelerating.
What is a scientific term for 'speeds up '?
The scientific term for 'speeds up' is acceleration
What is the rate of acceleration due to the force of gravity?
A falling object speeds up at a rate of 9.8 meters per second each second.
Acceleration will only speed up an object True or false?
False. At least the way "acceleration" is described in physics, acceleration involves any change in velocity - so the "accelerating" object can speed up, slow down, or simply change direction.
Does energy increase or decrease when an object speeds up?
it speeds up because energy is added
As a freely falling object speeds up what is happening to its acceleration due to gravity?
Its acceleration due to gravity is constant. The acceleration is equal to the object's change in speed every second. I've tried to illustrate the constantly-increasing falling speed in my diagram below.
What is necessary for an object to acceleration?
In order for an object to accelerate, it's only necessary that all of the forces on it don't add up to zero.
What has zero acceleration?
Anything that is not moving or is moving at a constant speed has zero acceleration. An object that is slowing down has a negative acceleration, an object that is speeding up has a positive acceleration.
What occurs any time an object speeds up slows down or changes direction?
Acceleration. Acceleration is change in velocity. Velocity is its speed and direction. So when one of these things changes, it is undergoing acceleration. Acceleration can be the object speeding up, slowing down, turning right, turning left, etc. Deceleration is lowering the rate of change. You are experiencing no change if you are moving in a straight line at a constant speed.
How do you find the weight of an object if given only the mass and the planet the object is on?
-- In a reference book or on-line, look up the acceleration of gravity on the surface of that planet. -- Multiply the mass of the object by the acceleration of gravity in the place where the object is. The result is the object's weight in that place.
Examples of positive acceleration?
An object moves in a positive direction, and speeds up. Remember, in physics problems, you declare which direction is positive, just to make problems easier.
What is negative acceleration?
Negative Acceleration:Negative Acceleration refers to an object whose speed decreases as it moves away from its original starting position.Actually, that's not entirely correct. Acceleration is a vector quantity and, therefore, depends on direction. If an object is moving in a straight line, in the negative direction, its acceleration is positive if its speed decreases with time and negative if its speed increases with time.Think of it this way: if the acceleration vector is pointed in the same direction as the way an object is moving, the object speeds up. If the acceleration vector is pointed opposite the direction of motion, it slows down.
What is the rate of change of velocity which occurs if an object speeds up changes direction or slows down?
Any change in velocity, whether to speed up, slow down, or just change direction, results from acceleration. Acceleration is an expression of the rate of change of velocity.
What are the characteristics of acceleration?
Kinetic energy is used and also potential as it speeds up
What happens when a moving object speeds up slows down or changes directions is it acelleration?
what happens when a moving object speeds up,slows down,or changes direction?
When does an object have no acceleration?
When it is stationary, or when the velocity is constant. If it is speeding up or slowing down, it has acceleration.
What three ways can acceleration change an objects motion?
Acceleration is the change in velocity and/or direction of an object. Acceleration can either speed an object up, slow it down (deceleration), or change the direction in which the object is moving.
What is the scientific meaning of the word acceleration?
Change in velocity divided by the amount of time needed for the change to occur;takes place when an object speeds up,slows down,or changes direction
What is the acceleration of an object at rest?
An object at rest doesn't have acceleration unless it has potential energy to be used or a force acts on it. Acceleration is how fast things pick up speed. This also means turns and stops. So there is technically no acceleration of an object at rest.
What are 2 ways acceleration can change?
Acceleration is the change in velocity and/or What_three_ways_can_acceleration_change_an_objects_motionof an object. Acceleration can either speed an object up, slow it down (deceleration), or change the direction in which the object is moving.
If something has a change in motion it has what?
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.
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