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Rolling friction is:...

Rolling friction is:

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Ball-bearing converts sliding friction into rolling friction (yes/No)

Arrange coefficient of limitin friction (mu_1) ,coefficient of kinetic friction (mu_k) and coefficient of rolling ffriction (mu_r) in scending order.

Fill in the blanks. Sliding friction is ………………… than the static friction.

Fill in the blanks Slinding friction is ………….than the static friction.

MBD-LAWS OF MOTION-EXAMPLE
  1. State laws of limiting friction. Define coefficient of limiting fricti...

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  2. Define angle of repose and show that the coefficient of limiting frict...

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  3. Rolling friction is:

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  4. What are the methods of reducing friction?/

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  5. What is centripetal force?

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  6. Define centrifugal force.

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  7. Calculate the maximum speed with which a vehicle can travel on a level...

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  8. What provides the centripetal force to a caar taking turn on a level r...

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  9. Calculate the speed with which a vehicle can safely move on a banked c...

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  10. Derive an expression for the angle of bending of a cyclist on a curved...

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  11. What is a simple pendulum? Obtin expression for its angular accelerati...

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  12. Derive the expression for acceleration and tension in a string in a co...

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  13. A stone of mass mtied to the end of a string revolves in a vertical ci...

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  14. A bullet of mass 0.04 kg moving with a speed of 90 ms^-1 enters a heav...

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  15. A rocket of initial mass 6000 kg ejects mass at a constant rate of 16 ...

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  16. A mass of 4 kg rests on a horizontal plane. The plane is gradually inc...

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  17. What is the acceleration of the block and trolley system shown in the ...

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  18. The upper half of an inclined plane with inclination theta is perfectl...

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  19. A piece of uniform string hangs vertically so that its free end just t...

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  20. Two particles of equal masses m and m are connected by a light string ...

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