Acceleration

Acceleration is the rate of change of velocity over time. It is the rate at which an object's speed or direction changes.

Acceleration

Acceleration is a measure of the rate of change of velocity over time. It is a vector quantity, meaning it has both magnitude and direction. Acceleration is the rate at which an object’s velocity changes over time. It is the rate at which an object’s speed increases or decreases.

Acceleration can be caused by a variety of factors, including a change in the object’s speed, a change in the direction of the object’s motion, or a combination of both. Acceleration can also be caused by a force, such as gravity, friction, or a push or pull.

The SI unit for acceleration is meters per second squared (m/s2). This means that if an object’s velocity changes by one meter per second every second, then its acceleration is one meter per second squared.

When an object is accelerating, its velocity is changing. This means that the object is either speeding up or slowing down. If the object is speeding up, then its acceleration is positive. If the object is slowing down, then its acceleration is negative.

When an object is moving in a straight line, its acceleration is the rate at which its speed is changing. If the object is moving in a circle, its acceleration is the rate at which its direction is changing. This is known as centripetal acceleration.

Acceleration is an important concept in physics, as it is used to calculate the motion of objects. It is also used to calculate the forces acting on an object, such as gravity, friction, and other forces.

In conclusion, acceleration is a measure of the rate of change of velocity over time. It is a vector quantity, meaning it has both magnitude and direction. Acceleration can be caused by a variety of factors, including a change in the object’s speed, a change in the direction of the object’s motion, or a combination of both. The SI unit for acceleration is meters per second squared (m/s2). Acceleration is an important concept in physics, as it is used to calculate the motion of objects and the forces acting on them.