# Distance ,displacement, speed, velocity and accelaration. Write down daily application based on above terms and explain it in detail.

Dear Student,

Distance is a numerical measurement of how far apart objects are. In physics or everyday usage,distance may refer to a physical length or an estimation based on other criteria (e.g. distance between two places). In most cases, "distance from A to B" is interchangeable with "distance from B to A".

Displacement is the length of the straight line joining initial point to the final point.

The minimum distance between two points is called displacement while the actual path covered is called distance. The displacement is a vector term and distance is scalar term.

The movement of common objects, including motor vehicles, dogs and humans, are all examples of speed. Speed refers to the rate at which something moves as well as the distance covered in a specific amount of time. Speed is expressed in daily life by the movements of many types of objects.

**Velocity** is a physical vector quantity; both magnitude and direction are needed to **define** it. The scalar absolute value (magnitude) of **velocity** is called "speed". **Velocity** is a vector expression of the displacement that an object or particle undergoes with respect to time .

Practically it gives the speed plus a sense of direction.

**Speed:**I am driving my car at 100 km/hr.

**Velocity:**I am driving my car at 100 km/hr *in the south-south-east direction (SSE).*

Acceleration is the rate of change of velocity of an object with respect to time. An object's acceleration is the net result of any and all forces acting on the object. So, the acceleration is the change in the velocity, divided by the time. Acceleration has a magnitude (a value) and a direction. The units for acceleration are meters per second squared (m/s^{2}).

Acceleration is a measure of how quickly the velocity of an object changes.

A point or an object moving in a straight line is accelerated if it speeds up or slows down.

Regards

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