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Seven homogeneous bricks, each of length...

Seven homogeneous bricks, each of length L are arranged as shown in figure. Each brick is displaced with respect to the one in contact by `L/10`. Find the x-coordinate of the centre of mass relative to the origin shown.

A

`22/35 L`

B

`32/35L`

C

`42/35L`

D

`12/35L`

Text Solution

Verified by Experts

The correct Answer is:
A
`x_(cm)=(summ_(i)x_(i))/(summ_(i))`
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Knowledge Check

  • Find the x coordinate of the centre of mass of the bricks shown in figure :

    A
    `(24)/(25)l`
    B
    `(25)/(24)l`
    C
    `(15)/(16)l`
    D
    `(16)/(15)`

  • Five uniform circular plates, each of diameter b and mass m are laid out in a pattern shown. Using the origin shown, find the y co-ordinate of the centre of mass of the five-plate system. .

    A
    `b//5`
    B
    `b//3`
    C
    `4b//5`
    D
    `2b//5`

  • Three rings, each of mass P and radius Q are arranged as shown in the figure. The moment of inertia of the arrangement about YY' axis will be

    A
    `7/2PQ^(2)`
    B
    `2/7PQ^(2)`
    C
    `2/5PQ^(2)`
    D
    `5/2PQ^(2)`
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