Table of Contents
What graph shows negative velocity?
acceleration-
The velocity-time graph shows a horizontal line with zero slope (meaning that there is zero acceleration); the line is located in the negative region of the graph (corresponding to a negative velocity). The acceleration-time graph shows a horizontal line at the zero mark (meaning zero acceleration).
How can velocity be negative?
An object which moves in the negative direction has a negative velocity. If the object is slowing down then its acceleration vector is directed in the opposite direction as its motion (in this case, a positive acceleration).
What happens when you have a negative velocity?
The sign of the velocity depends on the coordinate system chosen to define the position. A positive velocity simply means that the object is moving in the positive direction, as defined by the coordinate system, while a negative velocity means the object is traveling in the other direction.
Can we have a negative velocity What does a negative velocity imply?
Velocity. The sign of the velocity depends on the coordinate system chosen to define the position. A positive velocity simply means that the object is moving in the positive direction, as defined by the coordinate system, while a negative velocity means the object is traveling in the other direction.
How do you find negative acceleration on a graph?
The velocity-time graph shows a line with a negative (downward) slope (negative acceleration); the line is located in the positive region of the graph (positive velocity). The acceleration-time graph shows a horizontal line in the negative region of the graph (negative acceleration).
In which situation is the velocity time graph a straight line with negative slope?
In retarded motion the velocity time graph is a straight line with negative slope. Explanation: Negative acceleration is called retardation. If the velocity of a body is decreasing with respect to time, the acceleration is said to be negative.
What does it mean when the velocity is negative?
A negative velocity means that the object which has the negative velocity is moving in the opposite direction of an object moving at a positive velocity. This is a question of frame of reference. The possibility for the velocity is what makes it different to the speed. Speed is only positive.
When is velocity negative?
When your velocity is negative, it means that you are moving in the ‘negative’ direction (such as towards the left on the number line). Further, if your acceleration, your rate of change of velocity, is positive, it means that your velocity is increasing, and if your acceleration is negative, then your velocity is decreasing.
Can velocity be negative?
No, speed of a object cannot be negative. Speed is a restricted quantity in physics because it only tells how fast something is going; such quantities are called scalars. Velocity on the other hand, can be negative, because it tells the direction as well as the amount of speed; it belongs to a class of objects called vectors.