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Give the expression of torque in terms o...

Give the expression of torque in terms of radius and force vectors. Represent moment of Force/torque acting on a body with a neat labelled diagram.

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`tau=(rsintheta)(F)hattau` i.e., `vectau=vecrxxvecF`
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SUBHASH PUBLICATION-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-THREE MARKS QUESTION WITH ANSWERS
  1. If the coordinates of three mass points are in the x, y plane, then ex...

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  2. If the position vector of the i^(th) particle is x1=xi+yihatj+zhatk, t...

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  3. Give an expression for the velocity and acceleration of the centre of ...

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  4. Give the expression for the angular velocity of a body in terms of rad...

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  5. Give the expression of torque in terms of radius and force vectors. Re...

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  6. Starting from the definition of angular momentum in terms of position ...

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  7. S.T. the time rate of the total angular momentum of a system of partic...

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  8. Write the general conditions for equilibrium of a rigid body .

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  9. S.T the moment of a couple does not depend on the point about which th...

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  10. State the principle of moments.

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  11. Define moment of inertia and hence Obtain an expression for rotational...

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  12. Explain the law of conservation of angular momentum in the case of b...

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  13. Explain the law of conservation of angular momentum in the case of a...

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  14. What are the properties of a couple acting on a body ?

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  15. State and explain the law of moments.

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  16. State the conditions of equilibrium of a system of coplanar forces.

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  17. How is the resultant of two like parallel forces obtained, using the t...

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