Three particles of masses $50\, g$, $100\, g$ and $150\, g$ are placed at the vertices of an equilateral triangle of side $1\, m$ (as shown in the figure). The $(x, y)$ coordinates of the centre of mass will be

821-1802

  • [JEE MAIN 2019]
  • A

    $\left( {\frac{{\sqrt 3 }}{7}\,m,\,\frac{7}{{12}}\,m} \right)$

  • B

    $\left( {\frac{7}{{12}}m,\,\frac{{\sqrt 3 }}{8}\,m} \right)$

  • C

    $\left( {\frac{{\sqrt 3 }}{4}\,m,\,\frac{5}{{12}}\,m} \right)$

  • D

    $\left( {\frac{7}{{12}}m,\,\frac{{\sqrt 3 }}{4}\,m} \right)$

Similar Questions

A $T$ shaped object with dimensions shown in the figure, is lying a smooth floor. A force $'\vec F'$ is applied at the point $P$ parallel to $AB,$ such that the object has only the translational motion without rotation. Find the location of $P$ with respect to $C$

  • [AIEEE 2005]

When does a body (system) have different centre of gravity and centre of mass ? 

A carpenter has constructed a toy as shown in the adjoining figure. If the density of the material of the sphere is $12$ times that of cone, the position of the centre of mass of the toy is given by

Four particles $A, B, C$ and $D$ with masses $m_A=m, m_B=2m, m_C=3m$ and $m_D=4m$ are at the corners of a square. They have accelerations of equal magnitude with directions as shown. The acceleration of the centre of mass of the particles is

  • [JEE MAIN 2019]

The distance between the carbon atom and the oxygen atom in a carbon monoxide molecule is $1.1\ \mathring A $.  Given, mass of carbon atom is $12\ a.m.u.$ and mass of oxygen atom is $16\ a.m.u.$, calculate the position of the center of mass of the carbon monoxide molecule