Acceleration
The rate of change of velocity.
Acceleration is a physical quantity that measures how quickly an object changes its velocity. It is defined as the rate of change of velocity with respect to time and is expressed in meters per second squared (m/s^2). In other words, acceleration is the increase in speed over a period of time or the decrease in speed over a period of time, or change in direction.
There are two types of acceleration: linear acceleration and angular acceleration. Linear acceleration refers to the change in linear velocity of an object, while angular acceleration refers to the change in rotational velocity of an object.
Acceleration can be either positive or negative, depending on whether the object is speeding up or slowing down. If the acceleration is in the same direction as the velocity, the speed of the object will increase. If the acceleration is in the opposite direction to the velocity, the speed of the object will decrease.
The acceleration of an object is influenced by a number of factors, including the force acting upon it, the mass of the object, and the direction in which the force is applied. The stronger the force acting on the object, the greater the acceleration will be. Additionally, objects with a greater mass will require more force to achieve the same acceleration as an object with a smaller mass.
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