Constant speed
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Unchanging speed, also known as constant speed, refers to an object moving at a consistent rate without speeding up or slowing down. This means the object covers the same amount of distance in the same amount of time over the course of its motion. Mathematically, constant speed can be represented by a straight horizontal line on a distance-time graph.
The recognition that objects are constant and unchanging even though sensory input about them is changing is called object constancy. This concept helps individuals understand that objects remain the same despite changes in how they may appear or how they are perceived.
The speed at a given point is called instantaneous speed. It represents the speed of an object at a specific moment in time.
An object is not accelerating when its velocity remains constant. This means that the object's speed and direction do not change over time, indicating that there is no net force acting on the object.
An even balance of weight or force is called equilibrium. It refers to a state in which opposing forces are balanced, resulting in a stable and unchanging condition.