Question

short definition of rest according to physics......???



by your own don't refer to any book or internet​

Answer 1

Answer:

Hey mate, here is your answer.

Explanation:

The general study of the relationship between motion, force and energy is known as mechanics. It is subdivided into three parts i.e. kinematics, dynamics and statics. Kinematics deals with the study of the motion of the objects without taking into account the forces and energies that may be involved. The first thing we need to know is that there is no absolute rest or absolute motion. Rest and motion are relative terms.

In simple terms, an object that changes its position is said to be in motion while the opposite action causes an object to be at rest. However, perspective plays a huge role in it. Take the example of an atom which is always in motion but when we see an object in the macro world it seems to be at rest. Therefore, rest and motion both depend mainly on the frame of reference of the one who is observing the scene.

• Table of Content
• Rest and Motion Definition
• Rest and Motion Related Terms
• Equations of Uniformly Accelerated Motion
• Displacement, Velocity and Time Graphs
• Types of Motion
• Important Points

Rest and Motion Definitions

Rest: An object is said to be at rest if it does not change its position with respect to its surroundings with time.

Motion: An object is said to be in motion if the position changes with respect to it surrounding and time.

Frame of Reference

Suppose an object is placed on the table, it can be said that the object is at rest. If a person is standing on the moon he will find that earth is changing its position continuously and so are the table and the object. Thus, to locate the position of anything one needs to define a frame of reference. For instance, if we take the earth as a reference, then the object is at rest but if the moon is taken as reference, the object is in motion. A frame of reference can be inertial or non-inertial depending on whether it is at rest or constantly moving.

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Answer 2

In physics, rest is the state an object being stationary relative to a particular frame of reference or another object; when the position of a body with respect to its surroundings does not change with time it is said to be "at rest".