When is an object said to be a particle?

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Question

(B) The concept of a particle is fundamental in mechanics.$1$. $A$ particle is defined as a point-like object that possesses mass but has no dimension

Vedclass · Accepted Answer

When its size is negligible compared to the distance it travels.

Vedclass · Answer

(B) The concept of a particle is fundamental in mechanics.$1$. $A$ particle is defined as a point-like object that possesses mass but has no dimensions (size).$2$. Since it is dimensionless,it is an idealized concept and does not exist in reality.$3$. $A$ particle can only undergo translational (linear) motion.$4$. An object can be considered a particle in the following cases:- $(i)$ When an object moves in a straight line such that all its constituent parts cover the same distance in the same time.- $(ii)$ When the dimensions of an object are negligible compared to the distance it travels or the distance between it and another object.Example: The Earth and the Sun are treated as particles when calculating the gravitational force between them because the distance between them is vast compared to their sizes.

Similar Questions

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