(B) An object can be treated as a point particle if the change in its position during motion is much greater than its own size.For a system of two obj

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When the size of the objects is negligible compared to the distance between them.

(B) An object can be treated as a point particle if the change in its position during motion is much greater than its own size.For a system of two objects,they can be treated as point particles when the dimensions (size) of the objects are negligible compared to the distance between them.

Class 11 Physics System of Particles and Rotational Motion Centre of mass (Point Mass)

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For a system consisting of two objects,when can they be treated as point particles?

A
When the distance between them is very small.
B
When the size of the objects is negligible compared to the distance between them.
C
When the objects are moving with constant velocity.
D
When the objects are at rest.

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Class 11 Questions

Class 11

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System of Particles and Rotational Motion

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Centre of mass (Point Mass)

For determining the centre of mass of a body,why is a body considered as being composed of multiple small mass elements?

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Three equal masses are placed at $(0,0)$,$(a,0)$,and $\left( \frac{a}{2}, \frac{a\sqrt{3}}{2} \right)$. Find the coordinates of the center of mass.

Medium

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Two point masses of $1.5 \ g$ and $2.5 \ g$ are placed at a distance of $16 \ cm$ from each other. If the center of mass is at a distance $x$ from the $1.5 \ g$ mass,then $x = \dots \ cm$.

Medium

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Consider a two-particle system with particles having masses $m_1$ and $m_2$. If the first particle is pushed towards the center of mass through a distance $d$,by what distance should the second particle be moved so as to keep the center of mass at the same position?

MediumAIEEE 2006

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Mass is distributed uniformly over a thin rectangular plate,and the positions of two vertices are given by $(1, 3)$ and $(2, -4)$. What is the position of the $3^{rd}$ vertex if the centre of mass of the plate lies at the origin?

Medium

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For a system consisting of two objects,when can they be treated as point particles?

Similar Questions

For determining the centre of mass of a body,why is a body considered as being composed of multiple small mass elements?

Three equal masses are placed at $(0,0)$,$(a,0)$,and $\left( \frac{a}{2}, \frac{a\sqrt{3}}{2} \right)$. Find the coordinates of the center of mass.

Two point masses of $1.5 \ g$ and $2.5 \ g$ are placed at a distance of $16 \ cm$ from each other. If the center of mass is at a distance $x$ from the $1.5 \ g$ mass,then $x = \dots \ cm$.

Consider a two-particle system with particles having masses $m_1$ and $m_2$. If the first particle is pushed towards the center of mass through a distance $d$,by what distance should the second particle be moved so as to keep the center of mass at the same position?

Mass is distributed uniformly over a thin rectangular plate,and the positions of two vertices are given by $(1, 3)$ and $(2, -4)$. What is the position of the $3^{rd}$ vertex if the centre of mass of the plate lies at the origin?

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