gyorsulásé

Gyorsulású, a Hungarian term, translates to "acceleration" in English when referring to physics. It is a fundamental concept in kinematics, describing the rate at which an object's velocity changes over time. Velocity itself is a vector quantity, meaning it has both magnitude (speed) and direction. Therefore, acceleration can occur in three ways: an increase in speed, a decrease in speed (often called deceleration or retardation), or a change in direction.

The mathematical definition of average acceleration is the change in velocity divided by the time interval over which that change occurs. Instantaneous acceleration is the limit of this average acceleration as the time interval approaches zero. In calculus terms, acceleration is the first derivative of velocity with respect to time, and the second derivative of position with respect to time.

The standard unit of acceleration in the International System of Units (SI) is meters per second squared (m/s²). This unit signifies that for every second that passes, the velocity of the object changes by a certain number of meters per second. For example, an acceleration of 2 m/s² means that the object's velocity increases by 2 m/s every second.

Understanding acceleration is crucial in numerous scientific and engineering disciplines, including mechanics, astronomy, and automotive design, as it dictates how objects move and interact within physical systems.