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Define angular momentum. Give an express...

Define angular momentum. Give an expression for it.

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The angular momentum of a point mass is defined as the moment of its linear momentum
`vecL= vecr xx vecp orL= rp sin theta`
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FULL MARKS-MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES-ADDITIONAL QUESTIONS SOLVED - I ( SHORT ANSWER QUESTIONS (1 MARK))
  1. What is rigid body ?

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  2. When an object will have procession? Give one example

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  3. Define angular momentum. Give an expression for it.

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  4. When an angular momentum of the object will be zero?

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  5. When an object be in mechanical equilibrium?

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  6. Obtain an expression for the power delivered by torque.

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  7. A boy sits near the edge of revolving circular dise (i) What will be...

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  8. Are moment of inertia and radius of gyration of a body constant quanti...

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  9. A cat is able to land on its feet after a fall. Which principle of phy...

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  10. About which axis a uniform cube will have minimum moment of inertia?

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  11. Explain the principle of moments of rotational equilibrium? Hence defi...

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  12. Write down the moment of inertia of a disc of radius R and mass m abou...

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  13. Can the couple acting on a rigid body produce translatory motion?

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  14. Which component of linear momentum does not contribute to angular mome...

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  15. A system is in stable equilibrium. What can we say about its potential...

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  16. Is radius of gyration a constant quantity?

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  17. Two solid spheres of the same mass are made of metals of different den...

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  18. The moment of inertia of two rotating bodies A and B are 1(A) and I(B...

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  19. A particle moves in a circular path with decreasing speed. What happen...

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  20. What is the value of instantaneous speed of the point of contact durin...

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