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Which two physical quantities remains co...

Which two physical quantities remains constant in law of conservation of momentum? Which quantity remain zero?

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Linear momentum and centre of mass remains constant and acceleration of centre of mass remains zero.
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KUMAR PRAKASHAN-SYSTEMS OF PARTICLES AND ROTATIONAL MOTION-SECTION-C OBJECTIVE QUESTIONS (VSQs)
  1. .Does the velocity of all particles of a system is equal to the veloci...

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  2. Why law of conservation of linear momentum is universal and fundamenta...

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  3. Which two physical quantities remains constant in law of conservation ...

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  4. On which factors centre of mass of rigid body depends?

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  5. Write the kinetic energy of a body of momentum p and velocity v.

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  6. Why do internal forces in a system do not effect the velocity of a sys...

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  7. If a gas is filled in a rest sphere, its molecules moves randomly due ...

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  8. Mention the position of centre of mass of two particles of equal mass.

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  9. What is the SI unit of angular velocity and angular acceleration?

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  10. What is the value of tangential component of a linear acceleration for...

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  11. The linear variable of all particles are same in rotational motion of ...

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  12. Give the rotational analogue of force.

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  13. How will you determine the direction of torque?

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  14. Which component of torque is responsible for the rotation motion about...

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  15. Give the formula for the moment of couple.

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  16. What is the physical quantity of the time rate of the angular momentum...

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  17. What is a rigid body ? Explain the differences between rigid body and ...

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  18. Angular position theta is scalar where angular displacement Deltatheta...

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  19. Which quantity have unit rpm. Show it in rad/s.

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  20. The angular velocity of a particle 5 cm away from the axis of rotation...

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