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The positon of center of mass can be wri...

The positon of center of mass can be written in the vector form as

A

`sum m_(i) vec r_(i)`

B

`sum m_(i) vec r_(i)^(2)`

C

`(sum m_(i) vecr_(i))/(M)`

D

`(sum m_(i) vecr_(i)^(2))/(M)`

Text Solution

Verified by Experts

The correct Answer is:
C
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FULL MARKS-MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES-ADDITIONAL QUESTIONS SOLVED - I ( MULTIPLE CHOICE QUESTION)
  1. The reduced mass of the system of two particles of masses 2 m and 4 m ...

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  2. The motion of the center of mass of a system consists of many particle...

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  3. The positon of center of mass can be written in the vector form as

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  4. The positions of two masses, x1 and x2. The position of center of mass...

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  5. In a two particle system, one particle lies at origin another one lie...

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  6. State the principle of moments .

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  7. Infinitesimal quantity means

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  8. In the absence of external forces the center of mass will be in a stat...

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  9. The activity of the force to produce rotational motion in a body is ca...

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  10. The moment of the external applied force about a point or axis of rota...

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  11. Torque is given as

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  12. The magnitude of torque is

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  13. The direction of torque acts

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  14. The unit of torque is

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  15. The direction of torque is found using

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  16. If the direction of torque is out of the paper then the rotation produ...

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  17. If the direction of the torque is inward the paper then the rotation i...

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  18. If vecr and vecF are parallel or anti-parallel, then the torque is

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  19. the maximum possible value of torque is

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  20. The relation between torque and angular acceleration is

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