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Yes. There can be an instant during a period of acceleration when speed is zero.
We can think of two examples right away:
1). Drop an object from your hand. As soon as you release it, downward acceleration
begins immediately, but speed is zero.
2). Toss an object (like a Baseball or a stone) straight up. Downward acceleration
due to gravity begins immediately. At first, its effect is to reduce the upward speed.
As soon as the upward speed is all gone, downward speed begins. Acceleration is
constant throughout, but at the instant when upward speed becomes downward
speed, the speed is zero.
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∙ 13y ago
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When is an object not accelerating?
An object is not accelerating when it is moving in a straight line at an unchanging speed (which may be zero).
Can an object have a speed of 0 while it has an acceleration that is not 0?
Yes. Acceleration is independent of speed. A perfect example of an object with zero speed but nonzero acceleration is an object at the apex of being thrown upward. The entire time it is in the air it is accelerating downward. At its maximum height its speed is zero.
What is an example of an accelerating object but moves in a constant speed?
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.
How does force make an object stop moving?
By accelerating it in the direction opposite to its motion, and then quickly removing the force when it's speed is zero.
An object that is accelerating may be?
An object that is accelerating may be slowing down, gaining speed, and changing direction.
When is an object not accelerating?
An object is not accelerating when it is moving in a straight line at an unchanging speed (which may be zero).
If the net force on an object is zero then the object is?
Not accelerating. It could be stationary or moving at a constant speed.
Can an object have a speed of 0 while it has an acceleration that is not 0?
Yes. Acceleration is independent of speed. A perfect example of an object with zero speed but nonzero acceleration is an object at the apex of being thrown upward. The entire time it is in the air it is accelerating downward. At its maximum height its speed is zero.
What is an example of an accelerating object but moves in a constant speed?
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.
Can an object can be moving if the net force acting on the object is zero?
Absolutely. The key is to realize that a net force of zero on an object means only that it is not accelerating. This means that an object feeling zero net force can either be stationary or moving at constant speed in a straight line.
How does force make an object stop moving?
By accelerating it in the direction opposite to its motion, and then quickly removing the force when it's speed is zero.
An object that is accelerating may be?
An object that is accelerating may be slowing down, gaining speed, and changing direction.
What is when an object is accelerating its speed is?
It will have increase in speed with increase in time
What is it when an object is accelerating its speed?
It will have increase in speed with increase in time
When an object is accelerating What is its speed?
It will have increase in speed with increase in time
Can particle with velocity or speed at zero be accelerating?
Yes.
What is zero accelaration?
When an object is not accelerating at all. It has constant velocity.
