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The positions of two masses, x1 and x2. ...

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

A

`(m_(1)m_(2))/(m_(1)x_(1)+m_(2)x_(2))`

B

`m_(1)x_(1)+m_(2)x_(2)`

C

`(m_(1)x_(1)+m_(2)x_(2))/(m_(1)+m_(2))`

D

`(m(x_(1)+x_(2)))/(m_(1)+m_(2))`

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

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

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

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

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  5. State the principle of moments .

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  6. Infinitesimal quantity means

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

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

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

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  10. Torque is given as

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  11. The magnitude of torque is

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  12. The direction of torque acts

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  13. The unit of torque is

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  14. The direction of torque is found using

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

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

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

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  18. the maximum possible value of torque is

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  19. The relation between torque and angular acceleration is

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  20. Angular momentum is ………………….. Vector.

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