Question

Fundamental concept in describing the motion of object

Answer 1

Answer:

intial and final position

Explanation:

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Answer 2

The most fundamental concept in describing motion of any object is the kinematics of the system.

Explanation:

• Kinematics is the branch of classical mechanics which emphasizes on study of the motion of points, objects, and groups of objects without considering the causes of its motion.

• Forces acting on the object is not of primary importance in kinematics.

• Kinematics uses trajectories of points, lines and other geometries to understand motion of any object.

• The main focus is in describing the position of the object in various time intervals and to understand the change of path.

Three main terms that complete the explanation of motion of object are:

1. Speed or velocity: It is the rate of change of position with time. Speed is scalar quantity and only consists of magnitude and is expressed in meter per second, whereas velocity is a vector quantity which involves direction as well as magnitude of speed.
2. Distance or displacement: Distance is a scalar quantity and is referred as the path covered by the object. It is given in meters. Displacement is a vector quantity and is termed as the difference between initial and final positions of the object, also it is expressed in meters and involves the direction in which the object has moved.
3. Time: It is the time taken by the object in covering the distance. It is a scalar quantity and is given in seconds.