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A uniform wire is bent into the form of ...

A uniform wire is bent into the form of a rectangle of length `L` and width `W`. The coordinates of its centre of mass from a corner are

A

`(0,0)`

B

`(L/2,W)`

C

`(L,W/2)`

D

`(L/2,W/2)`

Text Solution

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The correct Answer is:
D

CM coincides of C.M from of small disc
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NARAYNA-SYSTEM OF PARTICLES AND ROTATIONAL MOTION -EXERCISE - II (C.W)
  1. A uniform wire is bent into the form of a rectangle of length L and wi...

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  2. A uniform disc of radius R is put over another unifrom disc of radius ...

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  3. If three particles of masses 2kg, 1kg and 3kg are placed at corners of...

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  4. Six identical particles each of mass m are arranged at the corners of ...

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  5. Three particles each of mass 2kg are at the corners of an equilateral ...

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  6. A bomb of mass m at rest at the coordinate origin explodes into three ...

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  7. Two identical thin uniform rods of length L each are joined to form ...

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  8. The centre of mass of the letter F which is cut from a unifrom meta...

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  9. The mass of a uniform ladder of length 5m is 20kg. A person of mass 60...

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  10. Figure shows a square plate of unifrom thickness and side length sq...

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  11. A circular hole is radius 'r' is made in a disk of radius 'R' an...

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  12. Two particles of equal masses have velocities vec(v)(1)= 4hat(i) ...

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  13. A body of mass m is dropped and another body of mass M is projected ve...

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  14. A rope thrown over a pulley has a ladder with a man of mass m on one o...

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  15. The unit vector perpendicular to vec A = 2 hat i + 3 hat j + hat k and...

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  16. An electron is moving with speed 2xx10^5 m//s along the positive x-dir...

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  17. The linear and angular velocities of a body in rotatory motion are 3 m...

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  18. A stationary wheel starts rotating about its own axis at an angul...

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  19. A circular disc is rotating about its own axis at a uniform angular ve...

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  20. A wheel starting from rest is uniformly accelerate at 4rad/s^2 for 10 ...

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